Photoshop tips #001 using overlay mode

Photoshop tips #001 using overlay with your digital painting. Overlay mode is probably one the few most useful tools in Photoshop for digital painters and artists. It is also one of the easiest one that can easily be very difficult to understand. In this post, I am just going to cover on just using gray scale or black and white range to paint to avoid further confusion. I will try to cover