Flamenco covers a large area that can not be neatly packaged as such.  I
have a number of personal examples you may want to discuss off this List.
(off topic).

You can find a lot here: http://home.cybertron.com/~brtubb/027.txt

Check out the main page and run a search on Arabic scales for the oud.

Wm. David Jennings
"Musicians work for scale"

P.S. If you recall the group where scales were discussed please let me know.