here is a video I found I didnt see posted anywhere on this site, cant wait for Flash!!
Cool CM Tricks
custom_backup_list.txt - make a list of files in /system that will survive a nightly install (ringtones, notifications, system apps, wallpapers, whatever)
in Terminal Emulator, set this as your shell command: "/system/xbin/su -c /system/xbin/bash". You get all the features of bash, root access, and you can still use the initial command field for whatever you want (default is adding /data/local/bin to your path)