Well, I hope you like it...this is how I waste MY time. link
Be sure to zoom in on this one. link
Believe it or not, this used to be a picture of Eric Dolphy before I laid hands on it. If you don't zoom on this one, it'll look pixelated.
I take a photograph, and use digital drawing-tools to manipulate it. Occasionally, some analogue manipulation (on the negative, for instance) is necessary as well.