When collecting, make sure nothing is longer than 3 inches. Longer strands can tangle birds' feet, making moving (& flying) difficult.
In addition I like to make sure there's plenty of now-dead prairie grass around. In my yard there are lengths of last year's Bluestem Grass and Inland Sea Oats. Birds seek out this dead prairie grass for nest material just as their ancestors have done for ages.
When nesting season starts (late February for north Texas) you'll want to put the nesting material where it won't just blow away. I use an old suet cage, which allows easy access for birds. A pan with 2+" sides works too, unless wind gusts are really bad.