Remastersys

"Remastersys - a script to create a livecd/dvd from a working Linux Mint install [...]

It should work with Ubuntu/Kubuntu and variants that use the standard casper/ubiquity setup from Ubuntu. Versions from dapper and edgy should both work.

I have tested it with Kubuntu edgy and Linux Mint 2.2(which is based on Ubuntu Edgy) and both dist and backup work. [...]

Remastersys basically exists from my own needs to be able to do this easily and in the spirit of Linux I decided that I would share with everyone that wanted it. It is licensed under the GPL V2 license."

http://www.linuxmint.com/wiki/index.php/Remastersys

http://linuxmint.com/forum/index.php?f=83