Check out this timelapse of Cezar Brandao's sculpting livestream.
Mariano Steiner - Sketch Reel
Mariano Steiner has posted a reel of his recent ZBrush sculpts.
Cyborg Design - Concept Art Production Techniques
Instructor Michael Pedro gives a detailed overview on concept art production techniques in ZBrush and Photoshop.
Free Photoshop Character Design Tutorial by Dan Luvisi
Stan Winston School are sharing a free Photoshop character design tutorial by Dan Luvisi.