The Campfire

I did this drawing to teach myself how to play around with using texture in Photoshop. The sky is a layer of blue over a photograph of some old paper I found on the internet. All I did was play around with layer modes and I knew I was looking at a night sky.
Until I figured out how to do this, thanks to my pal Taj, I was just drawing textures in manually. This was time consuming, to say the least. I have long admired the way that Mike Krahulik uses texture in some of his work, and I was trying to figure it out. Was it brushes? Some sort of overlay?
Even if using a photograph of a texture is not what Mike Krahulik does, the technique Taj showed me yielded some really interesting results, I think.