Far back left mountain, texture "sandy Beach"
For top right mountain "Sandy Plain";
change both primary color to a white tint make size about 50 for left mountain, 430 for right. water is called "Deep Blue" with diffusion increased.
Nearer mountains are dessert sand with sphere lights behind them at -20 output. sphere light about 50 units above top left mountain output of 40, no falloff, tint white, gel lens. sky is "tuesday Sky" with cloud cover increased to %60. Have tint purple.
I pretty close to recreated that in bryce before my computer messed up and i lost my picture. Too bad it came out pretty darn nice. Think ill redo it again now that i know what everthing is.
*i overloaded my comp, i shoud not have had lightwave and psp open at the same time*
Catch me if i'm on. Always up for a chat.