Ubuntu Customisation Kit "UCK" is released!

UCK is a tool that helps you customizing official Ubuntu Live CDs (including Kubuntu/Xubuntu and Edubuntu) to your needs, Create bootable LiveCD with predefined languages based on original Ubuntu/Kubuntu live CD using wizard with GUI, Build live CD with special features using scripts. It is possible also to customize root filesystem (for example install/remove packages), ISO contents (add/remove docs, change names) and initrd (add modules to boot, change boot sequence…etc).

http://www.ubuntips.com.ar/2011/04/05/ubuntu-customization-kit-2-4-4-%E2%80%93-crea-un-ubuntu-a-tu-gusto-y-placer/

http://uck.sourceforge.net/