Thanks Colin, working with the channels was what I was missing. It wasn't as easy as I would have imagined and I had to play around a bit to finally get it to work but I blame that mostly on my part. The only thing that I'm having trouble with now is that I can't get the selection's 'marching ants' to disappear even when I click on other layers or change tools, any advice? I want to make a couple adjustments to the mask but when I use the brush tool it doesn't seem to do anything... It's probably time that I read a book on layers and masks
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