<http://schema.org/thumbnailUrl>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/09/avatar-mosaic-by-jared-520x245.jpg>
<http://thenextweb.com/apps/2012/09/17/photography-app-avatr-makes-self-portraits-social-updating-twitter-avatar-instantly/>