It's already much better, but as Dawn mentioned, the wet sand should have
a finer structure.  

I also wonder about the large scale structures in the water.  They don't
seem to be reflections from the clouds and look somewhat irritating.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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