[Reikou]

Layer control: Basically, the ability to manually change what layer the selected piece of clothing is on, without the need to go through the often frustrating process of removing then re-coloring other pieces.

Hair stacking: It would be nice if we could stack up to 2 different hairstyles, and would open up some interesting possibilities.

Black an' white variations for naturally colored icons: Gray scale/Black and white icons are usually easier to work it, and depending on the natural colors of a certain piece of clothing/hair it can be 'almost' impossible/quite hard to achieve certain colors.