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.
Free Photoshop Character Design Tutorial by Dan Luvisi
Stan Winston School are sharing a free Photoshop character design tutorial by Dan Luvisi.
Natural Media Toolkit for Photoshop
Nate Reeves has created the Natural Media Toolkit for Photoshop, providing versatile new tools in a compact palette.