Ubuntu Builder has been updated to version 2.3.0 recently which adds support for Ubuntu 12.10 Quantal Quetzal and at the same time drops support for Natty. Ubuntu Builder is a tool with GUI that allows users to build a customized version of their Ubuntu-based distributions. The tool allows to customize either i386 or amd64 OS images.
Ubuntu Builder Installation
Open the terminal and install Ubuntu Builder 2.3.0 in Ubuntu 12.10/12.04 or Linux Mint 13 with the following commands:
sudo add-apt-repository ppa:f-muriana/ubuntu-builder
sudo apt-get update
sudo apt-get install ubuntu-builder