ArtistMike.Com - Graphic artist provides a group of tutorials. Includes creating logos, cartooning, and general methods useful in a variety of image editing programs.
Computer Arts - Tutorials - Collections of tutorials for a variety of image editing software programs.
Elfwood Tutorials - Wiki tutorial includes member contributions, as well as off site links. Covers a variety of programs.
Fxguide - Matte Painting: The Tools - Matte painting discussion with Gerhard Mozsi, a concept artist and matte painter, about tools and approaches used. Also covers some of the tips and tricks of Photoshop and Painter.
Rapartz - Offers free downloads and tutorials for painting tree trunks, creating CD labels, masking techniques, painting landscapes, and underwater scenes.
