How can I remove NVIDIA driver Mountain Lion 10.8.1?

Hallo Guys!
I am having a problem with my NVIDIA drivers after installing NVIDIA driver Mountain Lion 10.8.1. My drivers were just working fine until I ran this driver version release. Now the display on my laptop is really terrible, yes, it looks like some painting of sorts. What can I do to recover my previous display? Every time that I try to update the driver I am told that I have the latest drivers installed.
