[Dixie]

1-Don't smell bad.
2-If you've already farted in front of her you have no chance.
3-Trim your pubic area, no need to shave it, just trim the manbush back a little.

Jeanette's right though. Movies are always good, a single flower or token (read gift) of affection is a nice touch as well.
I'd say you should both get drunk and then tell her you like her but it sounds like you're kinda young for that.

And don't be a pussy about it, the worst that could happen is that she's not interested and there's always someone out there who might be. So get crackin!