<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/03/Space_Sunset_view_from_space_015233_-520x245.jpg>
<http://thenextweb.com/apps/2011/03/15/drchrono-is-building-a-health-care-revolution-on-the-ipad/>