<http://schema.org/image_url>
"http://media.al.com/alphotos/photo/2014/03/-f0294c264ef228b7.JPG"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/auburnfootball/index.ssf/2014/04/tre_mason_holding_mvp_football.html>