<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/03/angry-birds-game-logo-520x245.jpg>
<http://thenextweb.com/mobile/2011/03/01/40-of-new-angry-birds-users-pay-extra-for-in-app-help/>