diff --git a/addons/website_sale_slides/views/website_slides_templates.xml b/addons/website_sale_slides/views/website_slides_templates.xml
index 23fac6fe918..6d3e5bd3fe9 100644
--- a/addons/website_sale_slides/views/website_slides_templates.xml
+++ b/addons/website_sale_slides/views/website_slides_templates.xml
@@ -32,6 +32,20 @@
     </xpath>
 </template>
 
+<!-- Tweak "preview" badge: display Free Preview if payment-based course -->
+<template id="course_slides_list_slide"
+    name="Slide template for a training channel (Sale)"
+    inherit_id="website_slides.course_slides_list_slide">
+    <xpath expr="//a[@t-if='channel.can_upload']/span/span" position="replace">
+        <span t-if="channel.enroll == 'payment'">Free Preview</span>
+        <span t-else="">Preview</span>
+    </xpath>
+    <xpath expr="//t[@t-elif='slide.is_preview and not channel.is_member']/span/span" position="replace">
+        <span t-if="channel.enroll == 'payment'">Free Preview</span>
+        <span t-else="">Preview</span>
+    </xpath>
+</template>
+
 <!-- FULLSCREEN -->
 <template id="slide_fullscreen" inherit_id="website_slides.slide_fullscreen">
     <xpath expr="//div[hasclass('o_wslides_fs_main')]" position="attributes">
diff --git a/addons/website_slides/controllers/main.py b/addons/website_slides/controllers/main.py
index 68648b7ff9d..edad9c10419 100644
--- a/addons/website_slides/controllers/main.py
+++ b/addons/website_slides/controllers/main.py
@@ -406,7 +406,8 @@ class WebsiteSlides(WebsiteProfile):
 
         # sorting criterion
         if channel.channel_type == 'documentation':
-            actual_sorting = sorting if sorting and sorting in request.env['slide.slide']._order_by_strategy else channel.promote_strategy
+            default_sorting = 'latest' if channel.promote_strategy in ['specific', 'none', False] else channel.promote_strategy
+            actual_sorting = sorting if sorting and sorting in request.env['slide.slide']._order_by_strategy else default_sorting
         else:
             actual_sorting = 'sequence'
         order = request.env['slide.slide']._order_by_strategy[actual_sorting]
@@ -489,7 +490,10 @@ class WebsiteSlides(WebsiteProfile):
         # of them but unreachable ones won't be clickable (+ slide controller will crash anyway)
         # documentation mode may display less slides than content by category but overhead of
         # computation is reasonable
-        values['slide_promoted'] = request.env['slide.slide'].sudo().search(domain, limit=1, order=order)
+        if channel.promote_strategy == 'specific':
+            values['slide_promoted'] = channel.sudo().promoted_slide_id
+        else:
+            values['slide_promoted'] = request.env['slide.slide'].sudo().search(domain, limit=1, order=order)
 
         limit_category_data = False
         if channel.channel_type == 'documentation':
diff --git a/addons/website_slides/models/slide_channel.py b/addons/website_slides/models/slide_channel.py
index b03b1a942e5..426265a2bd3 100644
--- a/addons/website_slides/models/slide_channel.py
+++ b/addons/website_slides/models/slide_channel.py
@@ -96,8 +96,8 @@ class Channel(models.Model):
     description_short = fields.Text('Short Description', translate=True, help="The description that is displayed on the course card")
     description_html = fields.Html('Detailed Description', translate=tools.html_translate, sanitize_attributes=False, sanitize_form=False)
     channel_type = fields.Selection([
-        ('documentation', 'Documentation'), ('training', 'Training')],
-        string="Course type", default="documentation", required=True)
+        ('training', 'Training'), ('documentation', 'Documentation')],
+        string="Course type", default="training", required=True)
     sequence = fields.Integer(default=10, help='Display order')
     user_id = fields.Many2one('res.users', string='Responsible', default=lambda self: self.env.uid)
     color = fields.Integer('Color Index', default=0, help='Used to decorate kanban view')
@@ -115,8 +115,17 @@ class Channel(models.Model):
     promote_strategy = fields.Selection([
         ('latest', 'Latest Published'),
         ('most_voted', 'Most Voted'),
-        ('most_viewed', 'Most Viewed')],
-        string="Featured Content", default='latest', required=True)
+        ('most_viewed', 'Most Viewed'),
+        ('specific', 'Specific'),
+        ('none', 'None')],
+        string="Promoted Content", default='latest', required=False,
+        help='Depending the promote strategy, a slide will appear on the top of the course\'s page :\n'
+             ' * Latest Published : the slide created last.\n'
+             ' * Most Voted : the slide which have to most vote.\n'
+             ' * Most Viewed ; the slide which have been viewed the most.\n'
+             ' * Specific : You choose the slide to appear.\n'
+             ' * None : There won\'t be any slide showing.\n')
+    promoted_slide_id = fields.Many2one('slide.slide', string='Promoted Slide')
     access_token = fields.Char("Security Token", copy=False, default=_default_access_token)
     nbr_presentation = fields.Integer('Presentations', compute='_compute_slides_statistics', store=True)
     nbr_document = fields.Integer('Documents', compute='_compute_slides_statistics', store=True)
@@ -131,7 +140,7 @@ class Channel(models.Model):
     rating_avg_stars = fields.Float("Rating Average (Stars)", compute='_compute_rating_stats', digits=(16, 1), compute_sudo=True)
     # configuration
     allow_comment = fields.Boolean(
-        "Allow rating on Course", default=False,
+        "Allow rating on Course", default=True,
         help="If checked it allows members to either:\n"
              " * like content and post comments on documentation course;\n"
              " * post comment and review on training course;")
diff --git a/addons/website_slides/static/src/img/channel-training-default.jpg b/addons/website_slides/static/src/img/channel-training-default.jpg
index 5d8b9093590..6d1bf29387a 100644
Binary files a/addons/website_slides/static/src/img/channel-training-default.jpg and b/addons/website_slides/static/src/img/channel-training-default.jpg differ
diff --git a/addons/website_slides/views/slide_channel_views.xml b/addons/website_slides/views/slide_channel_views.xml
index c15edb495a9..e656c5e8309 100644
--- a/addons/website_slides/views/slide_channel_views.xml
+++ b/addons/website_slides/views/slide_channel_views.xml
@@ -107,6 +107,10 @@
                                         <field name="visibility" widget="radio"/>
                                         <field name="promote_strategy" widget="radio"
                                         attrs="{'invisible': [('channel_type', '=', 'training')]}"/>
+                                        <field name="promoted_slide_id"
+                                               attrs="{'invisible': ['|', ('channel_type', '=', 'training'), ('promote_strategy', '!=', 'specific')],
+                                                       'required': [('channel_type', '!=', 'training'), ('promote_strategy', '=', 'specific')]}"
+                                               domain="[('channel_id', '=', active_id), ('is_category', '=', False)]"/>
                                     </group>
                                 </group>
                                 <div attrs="{'invisible': [('enroll', '!=', 'invite')]}">
diff --git a/addons/website_slides/views/website_slides_templates_course.xml b/addons/website_slides/views/website_slides_templates_course.xml
index e6e547b9ba1..a294b9bd3cb 100644
--- a/addons/website_slides/views/website_slides_templates_course.xml
+++ b/addons/website_slides/views/website_slides_templates_course.xml
@@ -118,7 +118,11 @@
                         <!-- ==== Header Left ==== -->
                         <div class="col-12 col-md-4 col-lg-3">
                             <div class="d-flex align-items-end justify-content-around h-100">
-                                <div t-field="channel.image_1920" t-options='{"widget": "image", "class": "o_wslides_course_pict d-inline-block mb-2 mt-3 my-md-0"}' class="h-100"/>
+                                <div t-if="channel.image_1920" t-field="channel.image_1920" t-options='{"widget": "image", "class": "o_wslides_course_pict d-inline-block mb-2 mt-3 my-md-0"}' class="h-100"/>
+                                <div t-else="" class="h-100">
+                                    <img t-att-src="'/website_slides/static/src/img/channel-%s-default.jpg' % ('training' if channel.channel_type == 'training' else 'documentation')"
+                                        class="o_wslides_course_pict d-inline-block mb-2 mt-3 my-md-0"/>
+                                </div>
                             </div>
                         </div>
 
@@ -128,7 +132,7 @@
                                 <h1 t-field="channel.name"/>
                                 <p class="mb-0 mb-xl-3" t-field="channel.description"/>
 
-                                <div t-if="channel.channel_type == 'documentation'" class="my-1">
+                                <div t-if="channel.channel_type == 'documentation'" class="d-flex mb-md-5">
                                     <button role="button" class="btn text-white pl-0" title="Share Channel"
                                         aria-label="Share Channel"
                                         data-toggle="modal" t-att-data-target="'#slideChannelShareModal_%s' % channel.id">
@@ -206,7 +210,7 @@
                                             href="#"
                                             t-att-data-channel-id="channel.id"
                                             t-att-data-channel-tag-ids="channel.tag_ids.ids">
-                                            <i class="fa fa-plus mr-1"/><span>Add Tag</span>
+                                            <span>Add Tag</span>
                                          </a>
                                     </div>
                                     <t t-if="channel.channel_type == 'training'" t-call="website_slides.course_slides_list"/>
@@ -386,12 +390,12 @@
 
                 <li t-if="category['total_slides'] or channel.can_publish" t-att-class="'o_wslides_slide_list_category o_wslides_js_list_item mb-2' if category_id else 'mt-4'" t-att-data-slide-id="category_id" t-att-data-category-id="category_id">
                     <div t-att-data-category-id="category_id"
-                         t-att-class="'o_wslides_slide_list_category_header position-relative d-flex justify-content-between align-items-center mt8 %s' % ('o_wslides_js_category bg-white shadow-sm border-bottom-0' if category_id and channel.can_upload  else 'border-0 py-1')">
+                         t-att-class="'o_wslides_slide_list_category_header position-relative d-flex justify-content-between align-items-center mt8 %s %s' % ('bg-white shadow-sm border-bottom-0' if category_id else 'border-0', 'o_wslides_js_category py-0' if channel.can_upload else 'py-2')">
                         <div t-att-class="'d-flex align-items-center pl-3 %s' % ('o_wslides_slides_list_drag' if channel.can_publish else '')">
                             <div t-if="channel.can_publish and category_id" class="o_wslides_slides_list_drag py-2 pr-3">
                                 <i class="fa fa-bars"/>
                             </div>
-                            <span t-if="category_id" t-att-class="'text-muted' if not channel.can_upload else ''" t-field="category['category'].name"/>
+                            <span t-if="category_id" t-field="category['category'].name"/>
                             <small t-if="not category['total_slides'] and category_id" class="ml-1 text-muted"><b>(empty)</b></small>
                         </div>
                         <div t-if="category_id" class="o_text_link d-flex border-left">
@@ -422,7 +426,7 @@
             </t>
         </ul>
         <div t-if="channel.can_upload" class="o_wslides_content_actions btn-group">
-            <a  class="o_wslides_js_slide_upload mr-1 border btn btn-light bg-white"
+            <a  class="o_wslides_js_slide_upload mr-1 border btn btn-primary"
                 role="button"
                 aria-label="Upload Presentation"
                 href="#"
@@ -435,10 +439,83 @@
                 href="#" role="button"
                 groups="website_slides.group_website_slides_officer"><i class="fa fa-folder-o mr-1"/><span>Add Section</span></a>
         </div>
+        <t t-if="not channel.slide_ids and channel.can_publish">
+            <t t-call="website_slides.course_slides_list_sample"/>
+        </t>
     </div>
     <div t-field="channel.description_html"/>
 </template>
 
+<template id="course_slides_list_sample" name="Course Sample Content">
+    <ul class="list-unstyled mt-3" style="opacity: 50%;">
+        <li class="o_wslides_slide_list_category mb-2">
+            <div class="o_wslides_slide_list_category_header position-relative d-flex justify-content-between align-items-center mt8 bg-white shadow-sm border-bottom-0 py-2">
+                <div class="d-flex align-items-center pl-3">
+                    <span class="text-muted">Common tasks for a computer scientist</span>
+                </div>
+            </div>
+            <ul class="list-unstyled pb-1 border-top">
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-file-text py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Asking Question</span>
+                    </div>
+                    <div class="d-flex flex-row">
+                        <span class="badge font-weight-bold px-2 py-1 m-1 badge-warning">
+                            <i class="fa fa-fw fa-flag"/> 10 xp
+                        </span>
+                    </div>
+                </li>
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-question-circle py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Asking the right question</span>
+                    </div>
+                </li>
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-file-pdf-o py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Answering Questions</span>
+                    </div>
+                    <div class="d-flex flex-row">
+                        <span class="badge badge-info badge-arrow-right font-weight-normal px-2 py-1 m-1">New</span>
+                    </div>
+                </li>
+            </ul>
+        </li>
+        <li class="o_wslides_slide_list_category mb-2">
+            <div class="o_wslides_slide_list_category_header position-relative d-flex justify-content-between align-items-center mt8 bg-white shadow-sm border-bottom-0 py-2">
+                <div class="d-flex align-items-center pl-3">
+                    <span class="text-muted">Parts of computer science</span>
+                </div>
+            </div>
+            <ul class="list-unstyled pb-1 border-top">
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-file-pdf-o py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Mathematics</span>
+                    </div>
+                </li>
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-file-pdf-o py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Science</span>
+                    </div>
+                </li>
+                <li class="o_wslides_slides_list_slide bg-white-50 border-top-0 d-flex align-items-center pl-2 py-1 pr-2">
+                    <i class="fa fa-play py-2 mx-2"/>
+                    <div class="text-truncate mr-auto">
+                        <span>Logic</span>
+                    </div>
+                    <div class="d-flex flex-row">
+                        <span class="badge badge-success font-weight-normal px-2 py-1 m-1">Preview</span>
+                    </div>
+                </li>
+            </ul>
+        </li>
+    </ul>
+</template>
+
 <template id="course_slides_list_slide" name="Slide template for a training channel">
     <li t-att-index="j" t-att-data-slide-id="slide.id" t-att-data-category-id="category_id" t-attf-class="o_wslides_slides_list_slide o_wslides_js_list_item bg-white-50 border-top-0 d-flex align-items-center pl-2 #{'py-1 pr-2' if not channel.can_upload else ''}">
         <div t-if="channel.can_publish" class=" o_wslides_slides_list_drag border-right p-2">
@@ -458,12 +535,14 @@
 
         <div class="d-flex flex-row">
             <a name="o_wslides_list_slide_add_quizz" t-if="channel.can_upload and not slide.question_ids" t-attf-href="/slides/slide/#{slug(slide)}?quiz_quick_create">
-                <span class="badge badge-light badge-hide border font-weight-normal px-2 py-1 m-1"><i class="fa fa-plus mr-1"/>Add Quiz</span>
+                <span class="badge badge-light badge-hide border font-weight-normal px-2 py-1 m-1">Add Quiz</span>
             </a>
             <a t-if="channel.can_upload" href="#">
-                <span t-att-data-slide-id="slide.id" t-attf-class="o_wslides_js_slide_toggle_is_preview badge #{'badge-success py-1' if slide.is_preview else 'badge-light badge-hide border'} font-weight-normal px-2 m-1">Free preview</span>
+                <span t-att-data-slide-id="slide.id" t-attf-class="o_wslides_js_slide_toggle_is_preview badge #{'badge-success' if slide.is_preview else 'badge-light badge-hide border'} font-weight-normal px-2 py-1 m-1"><span>Preview</span></span>
             </a>
-            <span t-elif="slide.is_preview and not channel.is_member" class="badge badge-success font-weight-normal px-2 py-1 m-1">Free preview</span>
+            <t t-elif="slide.is_preview and not channel.is_member">
+                <span class="badge badge-success font-weight-normal px-2 py-1 m-1"><span>Preview</span></span>
+            </t>
             <span t-if="slide.is_new_slide and not channel_progress[slide.id].get('completed')" class="badge badge-info badge-arrow-right font-weight-normal px-2 py-1 m-1">
                 New
             </span>
@@ -481,7 +560,7 @@
             </t>
             <span t-if="channel.can_publish" class="d-none d-md-flex">
                 <a t-if="slide.slide_type == 'webpage'" class="px-2 o_text_link text-primary" target="_blank" t-attf-href="/slides/slide/#{slug(slide)}?enable_editor=1"><span class="fa fa-pencil"/></a>
-                <a t-else="" class="px-2 o_text_link text-primary" target="_blank" t-attf-href="/web#id=#{slide.id}&amp;action=#{slide_action}&amp;model=slide.slide&amp;view_type=form"><span class="fa fa-pencil"/></a>
+                <a t-else="" class="px-2 o_text_link text-primary" target="_blank" t-attf-href="/web#id=#{slide.id}&amp;action=#{slide_action}&amp;model=slide.slide&amp;view_type=form" title="Edit in backend"><span class="fa fa-pencil"/></a>
                 <a href="#" t-att-data-slide-id="slide.id" class="o_text_link text-danger px-2 o_wslides_js_slide_archive"><span class="fa fa-trash"/></a>
             </span>
         </div>
@@ -490,7 +569,7 @@
 
 <!-- ======= Documentation Course content: cards / categories=======  -->
 <template id="course_promoted_slide" name="Documentation Course content: promoted slide">
-    <div class="o_wslides_promoted_slide d-none">
+    <div class="o_wslides_promoted_slide">
         <div t-if="not search and not search_slide_type and slide_promoted" class="container py-1 mb-2">
             <div class="card flex-column flex-lg-row">
                 <t t-set="image_url" t-value="website.image_url(slide_promoted, 'image_1024')"/>
@@ -647,7 +726,9 @@
         </div>
     </div>
     <!-- Featured lesson  -->
-    <t t-call="website_slides.course_promoted_slide"/>
+    <t t-if="channel.promote_strategy != 'none'">
+        <t t-call="website_slides.course_promoted_slide"/>
+    </t>
 
     <div class="container py-2">
         <t t-if="search">
@@ -708,13 +789,14 @@
             </a>
             <div t-else="" class="card-img-top border-bottom o_wslides_gradient" t-attf-style="padding-top: 50%;"/>
         </t>
+        <i t-if="channel_progress[slide.id].get('completed')" class="position-absolute py-1 px-2 h5 fa fa-check-circle text-primary" style="right:0; top:0;"/>
 
         <div class="card-body p-3">
             <a t-if="can_access" class="card-title h5 mb-2o_wslides_desc_truncate_2" t-attf-href="/slides/slide/#{slug(slide)}#{query_string}" t-esc="slide.name"/>
             <span t-else="" class="card-title h5 mb-2 o_wslides_desc_truncate_2 text-muted" t-esc="slide.name"/>
             <div class="card-subtitle mb-2 text-muted" t-if="slide.is_preview or (not slide.is_published and user.has_group('website_slides.group_website_slides_officer'))">
                 <t t-if="slide.is_preview">
-                    <span class="badge badge-info">Free preview</span>
+                    <span class="badge badge-info">Preview</span>
                 </t>
                 <t t-if="not slide.is_published and channel.can_publish">
                     <span class="badge badge-danger">Unpublished</span>
@@ -761,10 +843,4 @@
     <i t-if="slide.slide_type == 'quiz'" t-att-class="'fa fa-question-circle %s' % icon_class"></i>
 </template>
 
-<template name="Display Promoted Slide" id="display_promoted_slide" inherit_id="website_slides.course_promoted_slide" active="True" customize_show="True">
-    <xpath expr="//div[hasclass('o_wslides_promoted_slide')]" position="attributes">
-        <attribute name="class">o_wslides_promoted_slide</attribute>
-    </xpath>
-</template>
-
 </data></odoo>