<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/julio-jones-catch-vs-tenn-almondjpg-be2b766698903d59.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2010/10/alabama_41_tennessee_10_tide_b.html>