<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/trent-richardsonjpg-a04511b06dd3963d.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2011/10/alabama_football_notes_for_sat_12.html>