Xubuntu is relatively lightweight, as in, it’s lighter than Ubuntu and Kubuntu but Lubuntu is actually lightweight. If you prefer some polish or can spare little more system resources, then go ...

EeeXubuntu is based on the Xubuntu 7.10 Live CD and can be installed using a USB thumb drive. Installation instructions and ISO images can be found on the eeeXubuntu page of the EeeUser.com wiki.

Turn on the Xubuntu machine and it should detect the webcam. Launch the Terminal again, type "cheese" (without quotes) and press "Enter" to launch Cheese on your computer.