<http://schema.org/image_url>
"http://media.al.com/auburnfootball_impact/photo/auburn-a-day-2013-18137289jpg-5cbea0e5a8360837.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/auburnfootball/index.ssf/2013/04/auburn_focusing_on_fundamental.html>