Ubuntu LiveCDCustomization

"How to Customize the Ubuntu Desktop CD

You may wish to customize the Ubuntu Desktop (live) CD to:

* show off a particular application
* localize to a certain language
* remove software packages
* add software packages
* update software packages
* change system defaults (theme, icons, desktop background, panels, browser homepage, etc)

IconsPage/warning.png This guide is for the Desktop/Live CD"

https://help.ubuntu.com/community/LiveCDCustomization