Obama-self

I used a lot of the curves tool and making a lot of layer copies. I used the saturation tool and also the layer mask tool.

High pass

Original

Edited

I used the hue and saturation tool. I also used the noise option to make it look sort of grainy. I used six layers.

Rodeo poster

I'm so sorry.
This is very bad.

Graffiti text

Neon text

Wood burn text

Western text