artist forums & communities? (like especially for comics, animation etc)

I'm looking for different ones... I have never really found one that has the right mix of opinions & pictures... anyone have a favorite to share? Here are some I know...

lots of animation pro's on here
http://www.animationnation.com/cgi-bin/ultimatebb.cgi

lots of good work to see,
http://www.eatpoo.com/phpBB2/index.php
http://www.drawingboard.org/