BANKSY FORUMS Artofthestate probably changes his mind too frequently to run a forum. There are several places, however, where you can get a discussion going on street art and urban art.
The biggest by far is the Urban Art Association. It has thousands of members and a overall moderator in Silky who keeps the place nice and friendly (though a little too safe and cosy in others eyes). Everything ends up on UAA but it does take a while sometimes to wade through the endless talk about prints.
Banksy news _ read the aots banksy blog
Banksy off street photo galleries
Turf War 1 2 3 4
Crude Oils 1 2
Barely Legal 1 2
Cans Festival 1
Banksy versus Bristol Museum 1 2
Santa’s Ghetto 2003 2004 2005 2006 2007 2010 _ M&S
Other Banksy Exhibitions 1