Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
I have no particular plant to recommend as I'm in zone 8 but if you look at this site (Stepables) you can get some ideas.
Here it the page for 'crevice' plants': http://www.stepables.com/scrip...
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"