Advertisements for art [writing, photography, painting, etc.], music, and technology-related forums go here.
Any forum specifically for graphics and/or codes go here.
Advertisements for forums to help start your ProBoards forum [such as advertisement boards, boards that provide forum-building assistance, etc.] go here.
Any forum not fitting into another category goes here [general chat forums, etc].
All roleplay forums go here.
A spot for fan forums.