Pres -- I got MySQL working for UWarn. No one would ever accuse me of writing it elegantly, but it's working (at the expense of SQLite support, I'm afraid, as I literally stuffed callback support into some of the core functions w/o regard for supporting SQLite as well).
Anyway, if you're at all interested let me know and I'll post the code somewhere. It's the least I can do.
Thanks,
Buzz.