Creating a Sandy Desert

I have been trying, without sucess, to create a convincing looking desert.
does anyone have anyideas as to how this could be accomplished?
perhaps a texture and bump map that look really good? or other ideas.

http://www.blenderprojects.com/forum/viewtopic.php?p=1168&sid=77fd9c039afdc71a595b6b0a845516e5

http://www.postbrickfilms.com/amped/Stuff/Sand.blend

how can i export this material to use it in my own scenes? edit solved: see http://blenderartists.org/forum/showthread.php?t=77594