[A few questions; mousesens,map_p_2]

Hello i have a question about the mouse sensitivity which is used in the tank views;

How can i make the mouse more sensitive?

Or speed up the movement of rotating and so..

I also tryed to download the mission pack 2 but i cant get it to work.

(i am intressted in the t34 targeting missions)

All help is welcome.

I also wonder where all the user mods are?