A quick and cheap way to update your camper: Make your own camper window curtains.
Clip off the hardware from your original camper curtains and save it. It can be reused to hang updated panels and valances.
Easy Camper Cushion Covers: a knit jersey crib sheet and some sheet grippers...cheap, no-sewing, washable!! I'm using these on my 1974 Apache Mesa.
Ponytail elastics or clever tie backs for curtains...use up those odd fancy and funky buttons. Wow.
Weekend Projects: 5 Clever Designs for a DIY Curtain Rod - Yahoo Homes
Command hooks are a super easy way to hang curtains. | 37 RV Hacks That Will Make You A Happy Camper
Hang two sets of curtains on one rod using this cool trick. It's simple, just hang your blackout curtains on a bungee cord behind your decorative curtains - no one will see the cord and assembly is a breeze!
No Sew pillowcase Curtain 2
RV blinds suck. We replaced ours with curtains we made ourselves. …
Smart Tiles back splash for RV You can hammer a nail right through them! Easy decorating