Originally Posted by Sierra

You could sew in a door, and perhaps a window or a chimney (I don't know how big the houses are). You also could outline quilt about a half inche away from the sides and tops of the houses (I'd stop at the white line above the houses). A white on white tree in the bigger blank spots would be another idea (it could be free form because real trees are). Your pattern is really a cute set up! Love your color choices.