Ok, I am getting the same thing. This is the same as the yum error message as I recall.
Code:
rpm -ivh kernel-2.6.16-1.2080.13.rrt.rhfc5.ccrma.i686.rpmrpm -ivh kernel-2.6.16-1.2080.13.rrt.rhfc5.ccrma.i686.rpm
Preparing... ########################################### [100%]
package kernel-2.6.16-1.2096_FC5 (which is newer than kernel-2.6.16-1.2080.13.rrt.rhfc5.ccrma) is already installed