On 03/29/2011 05:20 PM, Trevor G Quayle wrote:
> If you want some advice on starting, I usually start testing with a very low
> resolution (100 or so) to get quick sample results, then fine tune from there.
> This gives very blocky results, but should give a good indication of the effect.
> Once you get close, then start fine tuning the resolution.

Your minor change threw me off for a second ... I looked right past the 
revised usage ... doh!

Another tip for anyone exploring your macro ... make the grime pigment 
an obvious color to easily visualize where the effect is showing up ;-)

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