2) Dressmaker details do a lot in terms of making a room look finished and pulled together.
3) Pillows have to bring something new to a room scheme; can introduce and entirely new color, texture, graphic pattern, etc.
4) A quick fix for ugly closet doors is to flip them around and cover them with bold wallpaper; when she moves out of her apartment she can strip away the paper, turn the doors back around, and it'll be like it never happened (genius!).
5) Small-scale furniture only makes a small bedroom look smaller. Try a high bed and a tall headboard. Your room will grow.