Colorful geometric or nature designs will beautify your bathroom and provide privacy while still letting light enter the room. Bathroom Window Treatments And More. There are tons of ways to invigorate your bathroom window treatments and more. ... Perhaps you are planning decorative fixtures that will require a clawfoot tub shower curtain and curved shower curtain rods. Or perhaps your taste is more for modern shower curtains to enclose a traditional bathtub and/or shower......