The tutorial is On Darcy Johnston's website, under the tutorials 
section.
Here's the URL
http://www.geocities.com/SiliconValley/Sector/4317/

even following the tutorial, it took me a little while to realize what 
changes I would need for my own image but the results, I think, are very 
effective.
hope it helps

Steve

> Do you have the URL to that tutorial available to post here? TIA if 
you do
> because I'm sure people will want a look.
> Reason I said absorption <0.5,0.5,0.5> was because of the uncertainty 
about
> how it would fit in to begin with, so I was really just saying try
> absorption.
> 
> Bob
> 
> 
>

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