<http://schema.org/thumbnailUrl>
<http://rackcdn.elephantjournal.com/wp-content/uploads/2011/06/Screen-shot-2011-06-17-at-11.50.33-PM-100x100.png>
<http://www.elephantjournal.com/2011/06/this-is-cooler--more-difficult-than-anything-youve-seen-lately/>