<http://schema.org/image_url>
"http://brightcove01.brightcove.com/2/275353185001/275353185001_886408614001_vs-886315338001.jpg?pubId=275353185001"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/sports/index.ssf/2011/04/video_guard_barrett_jones_talk.html>