Perhaps the most re-pinned item I've come across, but it is awesome! Interior design cheat sheet. Excellent site for info on curtains, rugs, table sizes, etc. - Click image to find more Photography Pinterest pins
Replace your curtain rods with swing arm rods to open up the room and allow more light in. Windows appear to be bigger than they are, too :) How have I never heard of this?! Its like shutters in drape form!