<http://schema.org/image_url>
"http://media.al.com/sports_impact/photo/dollar-signsjpg-e94212f9bd1f07c8.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.al.com/business/index.ssf/2014/03/by_the_numbers_united_way_of_s.html>