Guest bedroom makeover with Benjamin Moore 'Chelsea Gray' paint.
Wall art/bed headboard
Mood lighting w/ xmas lights and fabric (http://www.reddit.com/r/DIY/comments/e2an4/i_just_replaced_the_lights_in_my_living_room_it/)
did this in my old bedroom and LOVED it. doing it again when I move :) sparkly lights in between layers of sheer curtains.
GASP- twinkle lights and a tulle-y thing?? I love it... hard to do In person?
Create a magical cocoon around your bed with a gauzy and glittering canopy. Simply hang sheer drapery panels on wire rope threaded through eye hooks in the ceiling and accent with strings of cascading holiday lights.