Working on Mountain Asset

So I have been trying to work on a style for the mountains that will look good on a small scale, while also having a more cartoon type aesthetic.  Here are some concepts down in Mudbox.

This is the mountain range:

 This is the top mountain that I cropped and sized for mobile devices:

Mudbox Face Sculpt 1

This is my first sculpt done in Mudbox: Pre-texture

Textured using my own face: