<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/04/apps-520x245.jpg>
<http://thenextweb.com/apps/2011/04/24/theres-no-place-like-home-screen-exploring-the-philosophy-of-app-placement/ian-hines-screen/>