Also on these boards
glass-cloche by The Art of Doing Stuff, via Flickr - industrial light bulbs, double sided tape to stick them to glass dollar store candle sticks, in a cloche. Works really well here, due to having a doll-sized chair that matches her desk chair, as well as the candle stick bases mimicking the table the cloche is on)
Fireplace with white mantel and surround. Maybe consider painting the brick a nice gray tone. Ben Moore has great gray colors such as revere pewter, smoke embers, and stoning ton gray.