started off with a blank layer, typed "hills", with each letter on it's own seperate layer. i rotated each letter a bit to get a more random effect (left). i saved that layer as a brush preset, adjusted dynamics and scattering in the brushes panel. you can see my custom brush (right)
![Creation of the hills.: Step 1](images/contests/typography art/infosteps/fullsize/32794_4b008af5041b4.jpg)