Congrats. Band-om is more fun than most anything I can imagine. Good luck.
What sort of help do you need? Content? Style? Prose? Meter? Ask away.
Generally, there seem to be two "best" ways to write song lyrics and those are wit and self-truth. Speak from your heart or your mind, and the deeper you go in both, the more effectual your words will be and likely, the more cool to more people.