Stan Winston School are sharing a free Photoshop character design tutorial by Dan Luvisi.
Art for Games - Memory Folds in Clothing Tutorial
Art for Games have posted a free tutorial on creating memory folds in cloth, using ZBrush and Photosohp.
Ben Mauro - ZBrush for Environments
Ben Mauro has released a free 3D environment design tutorial using ZBrush, Keyshot and Photoshop.