Photoshop exercises

As a way to help further my knowledge of photoshop, in class I was given some exercises to help understand some more features that Photoshop has to offer.
I really enjoyed playing around with textures and I would like to see how far I could potentially push them to help give off the effects I want.

Residual Staining

Due to the fact that I own a Wacom tablet, I decided to work using only photoshop. Throughout this project, the only piece of traditional work that I did was the thumbnail sketches.