Pixelpoke
2D and 3D art work to download and use, with some tutorials to boot. Also a place to submit some of your own work.

HuntFor.com
Visual Arts center of resources specialized in Computer Graphics. Galleries, tutorials, software downloads.

IACG
International Association of Computer Graphics promotes arts done in computer media. Includes artist and gallery listings, news, events, and articles. Galleries and artists are encouraged to submit their work.

Computer Creative
The online resource from Future Publishing, featuring news, tutorials, and reviews.

Help3D.com
Resource for 3D computer graphics and animation enthusiasts, with information on tutorials, models, schools, and jobs.