<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2014/04/Screen-Shot-2014-05-01-at-12.12.20-AM-520x245.png>
<http://thenextweb.com/creativity/2014/05/02/open-process-raw-images-browser-without-plug-ins/>