<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/sheldon-richardson-bf6ea21d41369017.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2013/04/what_theyre_saying_around_the_105.html>