Installing RPMForge

RPMForge is a collaboration of Dag, Dries, and other packagers. They provide over 2600 packages for CentOS, including mplayer, xmms-mp3, and other popular media tools. It is not part of RedHat or CentOS but is designed to work with these major distributions.
This Repository is definitely something you will not want to miss out

For CentOS 5 (summary)

# yum install yum-priorities
(x86_64)
wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.x86_64.rpm
(i386)
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el5.rf.i386.rpm
# rpm -ivh rpmforge-release-0.5*.rpm
# yum check-update

For CentOS 4 (summary)

# yum install yum-plugin-priorities
(x86_64)
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el4.rf.x86_64.rpm
(i386)
# wget http://packages.sw.be/rpmforge-release/rpmforge-release-0.5.1-1.el4.rf.i386.rpm
rpm -ivh rpmforge-release-0.5*.rpm
# yum check-update

For more information, read go to http://rpmrepo.org/RPMforge/