<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/katherine-webbjpg-0bbf92ddb7cd1f9e.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/alabamafootball/index.ssf/2013/03/aj_mccarron_plays_media_coach.html>