<http://schema.org/image_url>
"http://media.silive.com/advance/photo/2011/09/art1jpg-d908f31123ef2858.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.silive.com/northshore/index.ssf/2011/09/an_artists_colony_blossoms_in.html>