I'm trying to learn about scales and modes, so I wrote a bit on my blog about 'em:
http://www.cubo.co.uk/2006/06/scales_and_modes.html
Anyone here who knows more than I do (most of you, I suspect) fancy reading over that and correcting me where I'm wrong, or people who know less than me (probably not many) let me know if bits need explaining? I think it could maybe do with some diagrams, but my brain's fried tonight...
I'm hopefully gonna continue with stuff to do with music theory generally, writing up bits as I try to learn them. I find explaining things helps me understand them (by showing what I don't understand myself, mostly!), so any constructive criticism is most welcome, i.e. don't just tell me it's rubbish!