diff --git a/templates/posting_general.html b/templates/posting_general.html
--- a/templates/posting_general.html
+++ b/templates/posting_general.html
@@ -30,8 +30,9 @@
             {% if thread.image %}
                 <div class="image">
                     <a class="fancy"
-                            href="{{ thread.image.url }}"><img
-                            src="{{ thread.image.url_200x150 }}" />
+                       href="{{ thread.image.url }}"><img
+                src="{{ thread.image.url_200x150 }}"
+                alt="{% trans 'Post image' %}" />
                     </a>
                 </div>
             {% endif %}
@@ -73,8 +74,9 @@
                             {% if post.image %}
                                 <div class="image">
                                     <a class="fancy"
-                                            href="{{ post.image.url }}"><img
-                                            src="{{ post.image.url_200x150 }}" />
+                                       href="{{ post.image.url }}"><img
+                                src=" {{ post.image.url_200x150 }}"
+                                alt="{% trans 'Post image' %}" />
                                     </a>
                                 </div>
                             {% endif %}
diff --git a/templates/thread.html b/templates/thread.html
--- a/templates/thread.html
+++ b/templates/thread.html
@@ -23,7 +23,8 @@
                     <a
                             class="fancy"
                             href="{{ post.image.url }}"><img
-                        src="{{ post.image.url_200x150 }}" />
+                            src="{{ post.image.url_200x150 }}"
+                            alt="{% trans 'Post image' %}" />
                     </a>
                 </div>
             {% endif %}