Oh, wow, duh, that never even crossed my mind. What a moron.
SORRY. Geez, I guess I should've noticed but for some reason I didn't.
So I'm out of luck on changing it, aren't I???
Dammit, I like the sound on that thing, with the voiceovers, plus it's got extra content (a German map), but at that resolution on a big screen it just really doesn't look good. I've found with games like that before that if I make them smaller and center the window on the screen, it really looks much much better.
Anyway, sorry for such a stupid question. I'd like to say it would be my last stupid one. But then I'd be a liar.