<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2011/04/2011-04-12_1514-520x245.png>
<http://thenextweb.com/microsoft/2011/04/12/microsoft-thanks-wp7-developers-with-cube-of-icons/mix11appwall/>