How to Change the login screen background in Ubuntu Linux 10.04 (Lucid Lynx)

Interested in customizing the log-in screen background in Ubuntu Linux 10.04 Lucid Lynx. It's easy and this home-computing how-to presents a complete, step-by-step overview of the process. For more information, including detailed instructions, and to get started changing your own Ubuntu log-in screen, watch this video