Rocks and Mountains

Hi Folks,

Could any of you guys please point me towards resources for fractal type algorithms to draw simple mountain shapes or rocks/pebbles/pillars ??


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Maybe you'd be intersted: texture Noise :
If you are thinking minecraft-ish, it uses perlin noise for tiles.
Or are you doing 3d mesh for mountain?
Thanks for the pointers - strictly 2D only :-)

I found this bit of code on Perlin already in PyGame: 
This is my one - it is particle deposition based, rather than Perlin noise:
Thanks Mauve - generating some ideas :-)