I see Midlothian, Va has a Hancock Fabric store. I'd forget Wal-Mart and go there. They have an entire section dedicated to sheer curtain material, and they have actual knowledge of the products they sell. That's where I bought mine.
EDIT: Brain Fart. Looked at the wrong post. Fingers moved faster than brain.
If there was more love in the world, there would probably be less dying.