How to Extract Images with Hair Using Photoshop’s Refine Mask | CreativePro.com.
Style.com Photoshops Pants At Jason Wu Show. They call this a good use of photoshop.
We cover this a bit in 3d modeling class but everyone should know about it. You can do everything from putting a label on a 3d can and moving it around to importing 3d objects and painting on them. Using 3D Tools in Photoshop CS6