<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/weaverjpg-09ae8a0c4a819a09.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2013/04/huntsville_hall_of_fame_butch.html>