I'm working on the bathroom now, the top is the paintover idea (aka what I want to achieve) I have and the bottom is the render I have as of now (aka yucky). However, the render will improve as I make my tweaks:
The weird glowing teeth above the mirror are stand-in lights. Everyone seems to get confused by them, but they will be replaced!
Here are some quick paintovers (and some renders at the bottom) I did to get an idea of what sort of lighting I wanted to accomplish, but I think I'll tone down the colors a bit when I finish the real thing:
