I know i'm a noob here, but i've learnt so much here already I wanted to contribute in some way. Here are some ideas based on what I saw in the t-shirt thread.

Dont want to step on anyone's toes but figured they should be similar to existing logo's kicking around which is why looked at the t-shirt thread logos first.

Anyway here's what I came up with, to get this started.

(Images are pretty small due to the size of the images i was working with, also not sure of the font used in the banner so picked something close(ish)