Another option is to get the nvidia driver for 2.6.19-1.2894.fcX (assuming you
have that kernel installed) and then just copy over the modules from
/lib/modules/2.6.19-1.2894.fcX to your /lib/modules/2.6.19-1.2894.2.1....
More of a hack than building your own RPMs, but sometimes hacks save time