Community is very important for all open source projects. The Linux distributions mostly rely on their community for development and moving forward. If you use Linux, and want to help by giving something back, here is a great opportunity for you. Fuduntu is a lightweight Linux distro based on Fedora that is looking for volunteers.
The key areas they are looking are graphic artists, packagers and developers. Fuduntu is used by thousands of users and us the lightweight Gnome 2 as their default desktop environment.
Interested? Head over here.