OK ... here's a little tip that might help you with hair transmaps. This is how I usually approach hair ... Create a layer filled completely with black. Above that layer, paint each of the hair color(s) on separate layers. For example, I start with the darkest hair color layers first, and then put each subsequent lighter color on an individual layer, so that I can adjust the opacity so that each layer blends in with the underlying colors. I work my way up to the highlight colors. When you're ready to make the trans map, merge all hair layers together, or keep the originals and make a copy of each layer to merge them together. Now ... with the merged hair color layer as the current layer, go to the Layers panel. Right-click the little layer thumbnail, and choose "Select Layer Transparency." That should set the selection to all of the hair that you painted. Now ... create a new layer and fill the selection with white. When you combine this layer with the solid background layer, you now have a trans map that should fit perfectly with your hair painting. You may have to fiddle with the contrast a bit to get it perfect, but it's a nifty way to do a hair trans. 8-) Hope that makes sense!