<http://schema.org/thumbnailUrl>
<http://cdn6.littlethings.com/app/uploads/2014/05/Screen-Shot-2014-05-15-at-4.27.52-PM-300x156.jpg>
<http://www.littlethings.com/omg-a-tiny-little-dog-takes-this-horse-for-a-walk-you-wont-believe-this/>