Ok not wrong drivers missing ones.
rpm -qa *nvidia*
xorg-x11-drv-nvidia-libs-173.14.12-2.fc8
kmod-nvidia-2.6.26.6-49.fc8-173.14.12-5.fc8.2
kmod-nvidia-2.6.26.5-28.fc8-173.14.12-5.fc8.1
xorg-x11-drv-nvidia-173.14.12-2.fc8
nvidia-kmod-debuginfo-173.14.12-4.lvn8.1
kmod-nvidia-173.14.12-5.fc8.2
uname -r
2.6.26.6-49.fc8
yum repolist
fedora Fedora 8 - i386 enabled : 8,439
fedora-debuginfo Fedora 8 - i386 - Debug enabled : 3,239
livna Livna for Fedora Core 8 - i386 - Base enabled : 6
livna-debuginfo Livna for Fedora Core 8 - i386 - Debug enabled : 1
rpmfusion-free RPM Fusion for Fedora 8 - Free enabled : 0
rpmfusion-free-updat RPM Fusion for Fedora 8 - Free - Updates enabled : 367
rpmfusion-nonfree RPM Fusion for Fedora 8 - Non-Free enabled : 0
rpmfusion-nonfree-up RPM Fusion for Fedora 8 - Non-Free - Upd enabled : 173
updates Fedora 8 - i386 - Updates enabled : 1
updates-debuginfo Fedora 8 - i386 - Updates - Debug enabled : 0
updates-newkey Fedora 8 - i386 - Updates Newkey enabled : 5,534
It looks like you need to download the livna repo from livna.org/fedora8 and try going here:
http://rpm.livna.org/rlowiki/
and clicking on the Fedora 8 repository RPM link and run the command: yum install rpmfusion-free-release rpmfusion-nonfree-release also. See if that gives you decent screen resolution.
Please post the results.