add wood wallpaper to the kick plates of the stairs. Those rolls are expensive but you would only need one. Not practical with white treads though, it will be stuffed up from black shoe soles in no time.
Curtain Idea for Athena's Bed. Chandelier for mine :) ~Kari Dream bedroom, hang curtain rods from ceiling and buy cloth shower curtains or make curtains with string (hooks to hang) drap in each corner of the bed and tie to wall( use old door frames)