Luna Tees

A logo for my shared t-shirt design and printing company I've setup with a few friends. This logo is a WIP and the pixels went all messed up when I scaled it differently in PS. Also I need a colour suggestion for the billboard/sign background.
Check out the page over at http://facebook.com/LunaTeesOfficial
Hi res: http://cl.ly/image/113r0M3m3U2T/o