How use "yum" to install nvidia driver from atrpms?

[Frank]

Alexander Dalloz wrote:

>http://atrpms.net/dist/fc3/atrpms-package-config/
>
>Is an installable RPM which contains preconfigured yum repository
>settings for using ATrpms.net.
>
>  
>
I get a conflict trying to install them:

warning: atrpms-package-config-84-1.rhfc3.at.i386.rpm: V3 DSA signature: 
NOKEY, key ID 66534c2b
        file /etc/yum.conf from install of 
atrpms-package-config-84-1.rhfc3.at conflicts with file from package 
yum-2.1.11-3

What should one do about this?

Frank.