Alrighty, I was suggested to post this file here in the file section, so I will..
Please keep in mind that I've made a few changes on the edit_version, just if you could need some inspiration or so.. (tgd file added aswell)
Render image:
(http://www.sp34k.com/terragen/spike_world/result.bmp)
Edit version:
(http://www.sp34k.com/terragen/spike_world/edit_version.jpg)
ps. I forgot to remove the water when I started to render.. So you should probably remove it since clouds arent so low..