Found this neat little Mac OS X app the other day that connect iTunes to my Creative MuVo TX FM MP3/WMA player. Plug the USB connection in, iTunes starts up and displays the MuVo as a device and you can drag music onto it without having those annoying hidden OSX files appearing if you did it in the finder. Saves having to dig around in the Music folder to find what I want.
Check out MuVo Helper here.
The little app that could.