I recently switched from Windows to Linux (Linux Mint specifically) on my IBM T61 laptop. Since making the switch, my touchpad has been nearly unusable. When I place one finger on the touchpad, without moving it, the cursor bobs around in a small area as if I am making a number of small movements. I think the cursor is moving around because the sensitivity is too high - just rotating the tip of my finger in place moves the cursor over about one-third of the screen. My trackpad does not suffer from the same problem.

I have lowered the sensitivity in the mouse settings to its minimum and I have tried to follow the advice from http://iruel430.blogspot.com/2010/06/lowering-mouse-sensitivity-in-ubuntu.html and also reduce laptop touch pad sensitivity in ubuntu. But, in both cases, my touchpad still has the same behavior.

Perhaps there is an xinput setting I am overlooking? Is there a better driver I can use for my T61?