DDO Painter Material Primer
Here's a breakdown of the material system in DDO Painter, explaining Basic Materials, Masking Patterns, Masking Presets and Smart Materials.
DDO Painter: Hard Surface Texturing with Neil McKnight
Learn how to achieve subtle material variation in DDO Painter for a hard surface game asset from industry veteran Neil McKnight.
Cyborg Design - Concept Art Production Techniques
Instructor Michael Pedro gives a detailed overview on concept art production techniques in ZBrush and Photoshop.