I've added a new feature to the wiki content types: Images and Sources - use those to link in illustrations, and to denote sources in your wiki edits. I would love to eventually get all of our wiki articles using these fields.
Planescape, Dungeons & Dragons, their logos, Wizards of the Coast, and the Wizards of the Coast logo are ©2008, Wizards of the Coast, a subsidiary of Hasbro Inc. and used with permission.