SciFi terrain mat made from curtain material

Last weekend was a nice sunny day so I took the I took the opportunity to make a new sci-fi tabletop mat. The material used is curtain material, it is a heavy material with a backing so sits well when laid over hill features and does not move around when playing a game. 

The base colour began as a light green. My intention was to overlay this with mid-green, brown and grey colours so it would fit in with my existing terrain. Unfortunately I did not take pictures of the process to make it, but here are the step I took in creating the mat:

1. Sponged on a watered down green paint (a sample pot from the hardware store).
2. A second sponging of the watered down green was applied to get different depths of green.
3. Sponged on a watered down brown (a tube of kids acrylic paint from the Art store)
4. Carefully sponged on a mid-grey (which was not watered down) over areas of brown. This had to be carefully done so it did not look splotchy and in many cases I had to return a second time to build up the grey.
5. Lightly sponged on a sand/cream colour on parts of the grey (a sample pot from the hardware store)

The finished mat on the tabletop.

A close up of the sponging effect.

An overhead photo of the mat.

Terrain and models added