Curtain rods into ceiling, sheers hung -- cheap canopy! could be good method for putting up camo net for aidan too! --Pink Curtain Girls Bedroom.... Think this would be a great way to make an inexpensive room divider for my girls.
Add a Touch of Fabric Check out the wide variety of outdoor-friendly fabrics to create a perfect screen. Sheets of fabric sewn like curtains and hung from an old curtain rod or wire are quick and easy to put together. Plus, they're inexpensive -- so you can have a couple of different options to fit your mood. More Outdoor Fabric Ideas
DIY Retractable Awning This would just be hung on an existing pergola. Looks like it would be two shower curtain tracks, curtain rods hung across... honestly the most pain would be sewing the canopy part out of canvas... oh yeah, and building a pergola