<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/11/4314943969_9b78412f05_z-520x245.jpg>
<http://thenextweb.com/apps/2011/11/29/app-bg-pulls-together-local-instagram-photos-foursquare-tips-and-tweets/app-bg-1/>