Consider using trims as a great addition to anything. You can choose from brush fringe, bouillon fringe, braids, fan edge, tassels, cords. They are a gorgeous finishing touch. Shop around for your hardware - there is so much available now. It dresses up a window beautifully and ranges from the very, very expensive to moderate priced.
Installation is the final important step.
If it is not installed correctly, it will not look right no matter how perfectly you have made it. If you are not adept at using drills and screwdrivers or climbing ladders, it is best to get a professional installer to hang your treatments. Believe me, it is worth the added expense. I offer an instruction book and six videos on various projects. Just click on Product Information for details on each one, and then you may order from the Order Form page.