Color everything as you see fit; when youre done, export all the pieces as individual files (e.g., dollbase.png, superherocape.png, schoolgirlsocks.png), either as transparent GIFS or PNGs. Although the file size is generally larger, I prefer to use PNGs to preserve the detailed shading and clean edges on the transparency. In the end the format doesnt matter; all that matters is that you have images with transparent backgrounds surrounding the pieces to be assembled, so that youll be able to see the dolls body around the clothing, and see the scenes background. (If you worked in Flash, you dont need to worry about this.)


