Just found a great site Called "Free Stained Glass Patterns" well actually it's Free-StainedGlass-Patterns.com.
They have a terrific listing of many stained glass patterns found free online with a description of each. Some comments are humorous but mostly fair to the free stained glass pattern creator and contributor.
If you're looking looking for free stained glass patterns I strongly suggest you give them a visit...
Free Stained Glass Patterns