My daughter's room was left a bit (an understatement) unfinished- I couldn't make up my mind what I wanted. All I knew was I wanted a room that was elegant and kid-like all at the same time.
My inspiration started with butterflies and expanded to include owls and birds, flowers- pretty much wanted to create a little garden.
Simple, clean, and not a very strong 1 tone theme. I wanted to incorporate pink in her room, but as you can see the walls are a light jade green which can go with pretty much any color pallet I can think of (I hope!).
Pottery barn, and etsy were my go to for all the accessories in the room.
The "M" is my favorite because as she gets older we can paint it whatever color she wants... it can grow with her. Second, would be the chandelier.
google! search the web for ideas and turn it in to your own.
Those branches and birds between the windows are pretty. Are those wall decals or murals?