See how Alexander Koshelkov created his Luftbanza Airlines image in Photoshop.
Ben Mauro - ZBrush for Environments
Ben Mauro has released a free 3D environment design tutorial using ZBrush, Keyshot and Photoshop.
Free Photoshop Character Design Tutorial by Dan Luvisi
Stan Winston School are sharing a free Photoshop character design tutorial by Dan Luvisi.
Cyborg Design - Concept Art Production Techniques
Instructor Michael Pedro gives a detailed overview on concept art production techniques in ZBrush and Photoshop.