diff --git a/apps/course/templates/course/content/gallery.html b/apps/course/templates/course/content/gallery.html
index 6d40a0b2..41fbf409 100644
--- a/apps/course/templates/course/content/gallery.html
+++ b/apps/course/templates/course/content/gallery.html
@@ -16,7 +16,7 @@
   <div class="section section_gradient">
     <div class="section__center center center_sm">
       <div class="title">{{ content.title }}</div>
-      <div class="examples">
+      <div class="examples gallery">
         {% for image in content.gallery_images.all %}
           <div class="examples__item">
             <a href="{{ image.img.image.url }}">
diff --git a/apps/course/templates/course/course_only_lessons.html b/apps/course/templates/course/course_only_lessons.html
index 357284f3..342b03ca 100644
--- a/apps/course/templates/course/course_only_lessons.html
+++ b/apps/course/templates/course/course_only_lessons.html
@@ -172,10 +172,6 @@
               <div class="lessons__preview">
                 <img class="lessons__pic" src="{{ lesson.cover.url }}">
               </div>
-              {% else %}
-              <div class="lessons__preview">
-                <img class="lessons__pic" src="{% static 'img/pic-3.jpg' %}">
-              </div>
               {% endif %}
               <div class="lessons__content">{{ lesson.short_description | safe }}</div>
             </div>
diff --git a/project/settings.py b/project/settings.py
index 2934c1de..b12c100d 100644
--- a/project/settings.py
+++ b/project/settings.py
@@ -254,6 +254,8 @@ RAVEN_CONFIG = {
 
 INSTAGRAM_RESULTS_PATH = 'media/instagram/results/'
 
+DATA_UPLOAD_MAX_MEMORY_SIZE = 20242880
+
 try:
     from .local_settings import *
 except ImportError: