What mat said.. but if you are talking about the light brighness then hit ctrl A and going under the lights settings and just right click on them and hit "key selected"
Hope this helps.
A great mod for Jedi academy
www.moviebattles.com
Computer Rig-
64-bit vista
23.5 inch LCD + a 19 inch
Q6600 intell qaud
4 gigs of ddr2 ram
8800GTS 512 video card @700mhz