It's hard to tell from that pic! Can you post more pix and supersize them?

Do you like the view out that window? Is privacy a concern? Do you prefer traditional or contemporary? Colors? Etc.

Need a bigger pic. What other colors do you have in the room? Do you need them for privacy or only decor? Panels at each end would look nice. I prefer them on short rods (14" or so) on each side, high right below ceiling.
There is also pretty valances that would look good if you don't want drapes.

Click the pix to get to a gallery where you can see a bigger version.

If there is a decent view, and privacy is not a concern, I would do a simple valance in a pretty fabric that you like, across the top.