Biorust – graphics community site

http://www.biorust.com/tutorials/index/
Biorust has evolved over time, and its selection of tutorials is larger now. I originally went there when I was on my Photoshop tutorial kick back years ago. But they have some decent tutorials on other subjects too, like Illustrator, Flash, and Blender, as well as some web technologies (PHP, ASP, etc.).

CG Society

http://www.cgsociety.org/
From the site:
The CGSociety is the most respected and accessible global organization for creative digital artists. The CGS supports artists at every level by offering a range of services to connect, inform, educate and promote, by celebrating achievement, excellence and innovation in all aspects of digital art.
This place has a ton of graphics tutorials. For [...]

Blender Artists

http://blenderartists.org/cms/index.php
Forum, tutorials, and community site for Blender 3D and animation artists.

Pixel2Life.com

http://www.pixel2life.com/
Massive tutorial linking site to just about anything and everything related to graphics, web design, programming, photography, operating systems, audio, video, database, games and skins, etc.