Fake crown molding... Baseboard large on top. Gap in middle (painted white) and small baseboard at bottom.. Cheap
Make your baseboard more dramatic...add small pieces of trim to the top of existing baseboard, add a few inches and add another piece of molding. Paint the wall and trim white. This also works for crown molding too!
good tips on installing cheap crown molding and making it look expensive and heftier from Bower Power
Window Crown Molding Ideas
Add crown molding to the tops of bedroom windows. Don't need this in the house now, but cool idea for the next house!