Category Concept Fundamentals
Links and pages about the basics of concept drawing and painting.
Painting Fundamentals

Babe Lab : Pinup Research & Development by Paul Richards and others
Female caricature painting tips.

ctrl+Paint - Digital Painting Simplified - Digital Painting 101 - by Matt Kohr
"Working in the game industry under tight deadlines forced me to come up with a dependable photoshop workflow. Ctrl+Paint is my attempt to organize these findings into clear, concise videos to share with the community."

THUMB WAR : Design Iteration Combat Simulation - by Paul Richards
Concept art fundamentals.

PSG Art Tutorial - by Arne Niklas Jansson
Painting fundamentals.

Understanding 3D Form on Paper by Ron Lemen
Understanding form via light and dark.

Elements of Perspective - by Bruce MacEvoy
Perspective in depth.

Composition-101 thread from the Polycount forums
Links to tutorials about Composition.

Feng Zhu's Youtube Channel teaches the fundamentals of concept design, and professional practices for a working concept artist.
Painting Books
Digital Art Masters How to achieve certain effects in photoshop, general skin rendering, etc.
Mechanika Creating Science Fiction Good techniques, covers composition and perspective as well.
2DArtist Magazine Painting tutorials, artist galleries. Available printed or PDF.
ImagineFX Magazine Painting tutorials, artist galleries, monthly DVD.
More Information
CategoryReference = Reference imagery: photos, concept art, texture sites, etc.
TexturingTutorials = Tutorials for creating textures to be used in games.
Painting Tutorials thread on the Polycount forum = Links to more painting tutorials.
