<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/08/Paperclips-520x245.jpg>
<http://thenextweb.com/apps/2012/08/23/attachments-me-launches-redesigned-ios-app-attachments-now-shown-in-context/>