<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/06/IMG_6509-520x245.jpg>
<http://thenextweb.com/google/2012/06/28/over-13k-photos-were-shared-by-1k-people-with-party-mode-using-google-events-last-night/>