Need help with macbook multitouch

I installed ubuntu on my macbook, but the touch is really bad and does not work properly.
When using 2 finger drag, it's too sensitive and ends up pressing on something i don't want to, it also needs to be inverted.
I tried something with xorg and touchegg, but being a complete begier with linux, i have really no clue what i'm doing. I need help to make the trackpad work properly, so i can start using ubuntu and leaing about it.