<http://schema.org/image>
<http://rack.2.mshcdn.com/media/ZgkyMDEyLzEyLzA0Lzk4L2ZvcnVtc2d1aWRlLmMyZC5wbmcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/5c70d26f/48c/forums-guide-70-resources-for-creating-a-forum-67b5604707.jpg>
<http://mashable.com/2007/08/18/online-forums/>