I know you have seen problems like this, I've been reading a lot of threads about, but can't get it to work.
My wireless USB Mouse (unknown Mark) that I bought on eBay get detected by Ubuntu 8.10, but seems to be working backwards. I mean, with the inverted axis. I know there is a way to make it get inverted again, adding the right code on xorg.conf. I tryed SO MANY possible ways to do it, but I can't. Also I tested the mouse on Windows (XP and Vista) and works the same (backwards).

Here's the lines on my xorg.conf

I know there is more than "inverting the axis", but that was the last thing i tryed.
Also, I think it doesn't work with the "mice" driver, but with "mouse1", because I watched how this adds on "/dev/input" when I plug and unplug the usb receptor.

PLEASE! any help?

theses are not needed. and you may have to add 4 and 5 is for scrolling try 6 and 7 tell me what happens but most likley this is a revesed circut on the mouse circuit board so it is a bad device. send it backway out of place. try the above.