"The only quality differance I could see was the models lips did not have as much texture than with it set to .5. I did have to zoom in (4x) to see any differance." If you have PSP, load your saved image1, paste image2 as a new layer and set the new layer to 'Difference'... this will show you exactly which pixels are different between the two images (I'm sure there's a similar method in PS).

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