<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/02/medium_6587750959-520x245.jpeg>
<http://thenextweb.com/google/2012/02/29/google-releases-design-stencils-to-help-android-developers-improve-the-look-of-apps/>