<http://schema.org/thumbnailUrl>
<http://rackcdn.elephantjournal.com/wp-content/uploads/2011/06/newdvd1-188x275-e1308573598882-100x100.jpg>
<http://www.elephantjournal.com/2011/06/kino-tim-gregintro-to-ashtanga-yoga-dvd-review/>