RPMForge Respository
RPMForge repository (http://dag.wieers.com) is the biggest rpm repository for RHEL, CentOS for all versions. To enable RPMForge respository run following command to install all necessary files for getting RPMForge repository. The following command directly install rpm from http://da.wieers.com site.
user@server:$ rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
This rpm will add necessary files in our repository configuration and can be viewed at /etc/yum.repos.d/rpmforge.repo

Comments
Interesting
MrcredsAlex