The following page is a list of graphics tutorials. Included are tutorials for many different programs and graphic types such as 3d modeling and raster graphics.

3D Models

Blender - A list of 25 tutorials to get you started using Blender

3D Studio Max - Over 25 tutorials and resources for 3D Studio Max.

Raster

GIMP Tutorials - A collection of tutorials from the official GIMP website.

Grokking the GIMP - A reference book for using GIMP. It is available as a free download, or you can buy a paper version.

GIMP Tutorials - A compilation of GIMP tutorials.

Vector