Craig Mullins, Part 5: Basic Types of Lighting - YouTube
Improvement over three months(emphasis on understanding photoshop and brushes) : r/DigitalPainting
Rebelle 4 Digital Painting Software released! - article | CGSociety
Craig Mullins on X: "Early Photoshop had a very simple round brush. With some thought you could do a lot with it. Later versions of Photoshop have sophisticated brushes that mimic traditional
Schoolism - Digital Painting with Craig Mullins | BlackSpigot.com
CRAIG MULLINS Study by Freehi on DeviantArt
CGTalk | My Road To Mastery
Scapefiend's Finest Brushes! for Clip Studio Paint & Manga Studio