I was finally able to figure out the sixth. I am fairly certain that it is executive producer Nahnatchka Khan.

Yep: the photos of banned people included Stan, Andy Dick, Seth MacFarlane, Jared, American Dad! director Albert Calleros, and a sixth one in the bottom left-hand corner that I couldn't make out.  Here is a screengrab: http://i.imgur.com/2HrFt.jpg