Master dDo for Photoshop with this complete overview by Wiktor Ohman.
The Steam Mephit - Time-lapse Painting
Check out this time-lapse painting of a Steam Mephit for a Dungeon & Dragons module by Mates Laurentiu.
Ben Mauro - ZBrush for Environments
Ben Mauro has released a free 3D environment design tutorial using ZBrush, Keyshot and Photoshop.
Adobe Integrates Sketchfab Into Photoshop
Adobe has partnered with Sketchfab to bring 3D publishing to Photoshop.