<http://schema.org/thumbnailUrl>
<http://www.heraldnet.com/images/hnet/logos/HNet_Facebook_default_200x200.gif>
<http://www.heraldnet.com/article/20140810/BLOG49/140819964/1042/Pick-a-card-and-a-hike-with-deck-of-Mountain-Loop-Trail-cards>