Painting Modern Desert Camo - which colors?

[ErikB]

I'm trying to paint decent desert camo.  I am having a hard time getting the colors right.  Some have too much contrast and some too little.

Can anyone guess what colors these would be in either Vallejo or GW paints?
http://www.zombiecrisis.org/stuff/40K/idea%204.jpg
I'm guessing Scorched Brown, Bleached Bone, and Khemri brown, but when I put those together it still doesn't look right.  The colors appear to be different materials, not like they are on the same fabric, if that makes sense.

Anyone have some ideas for further arid/desert camo colors?  I've seen most of them out there (I really like Swedish and Italian) but I'm having a hard time picking the colors.  Either they are too close together and we can't see a difference or they don't go together, like one is fabric and the other is too glossy or somehow not "right".

But I think I did get the right combination for British Desert DPM with the following:
- Khemri under coat
- Kommando Khaki base coat
- Bestial Brown for the pattern

That's a start, at least.