Ikea has Scrim curtains, they are called Lill, and they come two to a pack, 280cm x 250cm or 110" x 98" and they are CHEAP... $4.99 usd for a pair
http://www.ikea.com/us/en/catalog/products/90111980/
They aren't huge, but work well for the first screen, and have a sewn in loop.