<http://schema.org/image>
<http://cdn1.tnwcdn.com/wp-content/blogs.dir/1/files/2012/08/427608039_f24a9205c9_z-520x245.jpeg>
<http://thenextweb.com/google/2012/08/23/youtube-makes-easier-video-creators-tell-story-new-intro-outro-feature/>