<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2013/09/benchpress-2-520x245.jpg>
<http://thenextweb.com/apps/2013/09/06/pressgram-an-instagram-like-service-that-posts-filtered-photos-to-your-wordpress-site/pressgram-2/>