abill CSSU is not MeeGo. It is the application of fixes to things like the mail and camera and other applications and packages that are core to maemo. You do not install it onto an SD card, it is an update like the OTA PR1.3. There is a proverb that I think you should take to heart because you're embarrassing yourself time and again on here: Better to remain silent and be thought a fool, than to open your mouth and remove all doubt