Thanks much, Bubbles!
Cross Vine (Bignonia capreolata)
http://www.magnoliagardensnurs... is native and beautiful. I've seen it tumbling over fences on pathways.
Quisqualis indica (Rangoon Creeper)
http://davesgarden.com/guides/...
Wonderful fragrance, gets large, and you may need to do some whacking back, but everyone I know that has one, loves it. It really is a gorgeous vine. I would have one if I had the space.