anchor.diff:                          </div>
                           <div class="media">
                               <div class="pull-left">
  -                                <img src="images/blog/thumb2.jpg" alt="">
  +                                <%= image_tag "blog/thumb2.jpg" %>
                               </div>
                               <div class="media-body">
                                   <span class="media-heading"><a href="#">Pellentesque habitant morbi tristique senectus</a></span>
  
positive.code:                     <div>
                          <div class="media">
                              <div class="pull-left">
                                  <img src="images/blog/thumb1.jpg" alt="">
                              </div>
                              <div class="media-body">
                                  <span class="media-heading"><a href="#">Pellentesque habitant morbi tristique senectus</a></span>
  
negative.code:                         </div>
                          <div class="media">
                              <div class="pull-left">
                                  <%= image_tag "blog/thumb3.jpg" %>
                              </div>
                              <div class="media-body">
                                  <span class="media-heading"><a href="#">Pellentesque habitant morbi tristique senectus</a></span>
  