As in my playroom, I wanted something simple to give my windows a finished look. Our house is not formal so I knew curtains (in the dining room!) weren't going to work.
I wanted a fabric that had the blue of my dining room as well as brown and black in case the furniture were to ever change. Which it has!
And well, I'm a sucker for paisley!
Another thing I love about cornice boards is that you can make them any shape you want. You can make them taller or shorter. Wider or more narrow. You can add trim. Fringe, pom poms, ribbon, even piping. Best of all...you can also change the fabric, the minute you need something new!