Below is a list of the forums I visit most for my Digital Art.

XARA DESIGN SUPPORT

http://www.talkgraphics.com/index.php

ARTRAGE SUPPORT

http://forums.artrage.com/forum.php

JOOMLA WEB DESIGN SUPPORT

http://forum.joomla.org/

PHOTOIMPACT INTERNATIONAL

http://photoimpact-international.com/forum/

APOPHYSIS FRACTAL GROUP

http://apophysis.deviantart.com/