Cardboard or foam core Cornice board.
dining room, fabric to complement or match living room drapes.
framed cornice-arch it?
How to Build Window Cornices --- DIY Curtain Rod Covers. Fast and easy way to make a room just a little more classy.
How to Build Window Cornice
Velcro Fabric to Board. How to Make a Board Mounted Valance - How to Nest for Less™