What is it?
Buffy is a simple, lightweight attempt at reskinning the default buff, debuff and tench buttons. It's only using about 4kb of memory and barely any processing time.
All it does is reskin the buff, debuff and tench buttons. The default skin is supposed to fit the Blizzard UI. You can change it in any way you want though, you just need to know some Lua.
Notes
As of v1.1, you can find a small config in the core.lua file.
Personally, I think this is feature complete. I don't want it to do anything fancy, and I'm glad it turned out that simple. If you still have some feature requests though, feel free to throw a comment.