If you feel your room is empty or plain, why not try a wall painting? Wall painting do change the whole aspect of the room, be careful, some wall painting can overcrowd the rooms full view. Just a simple one like this in the corner will perfect the room. If you like the idea of a tree painted on a wall I suggest you go to http://pinterest.com/annemaree_smith/wall-trees/ to get some ideas.
Farrow & Ball Charlotte's Locks orange. Charlotte's Locks has a playful name, taking its inspiration from the flame red hair of Farrow & Ball’s Head of Creative, and it also has a playful late 70s look to it.