Render thumbnail when present

public/js/main.js

@@ -10,5 +10,4 @@
             }
         } );
     } );
-
 } ) ( jQuery );

render/partials/post-image.handlebars

 <h3><a href="{{data.post.link}}">{{{data.post.title.rendered}}}</a></h3>
 
-{{{data.post.content.rendered}}}
+{{#if data.post.medium_image}}
+<div class="featured-image">
+    <a href="{{data.post.link}}"><img src="{{{data.post.medium_image}}}" /></a>
+</div>
+{{/if}}
+
+{{{data.post.excerpt.rendered}}}
 
 <p><a href="{{data.post.link}}">See more at {{data.domain}} &rarr;</a></p>