[HELP]How to add new class ?

I'm using an A9 client that already contains aloken. I wanna add the concerra, ripper, wizard and halfbagi. Anyone can give me more info what files do i need to add the new classes ? mesh, anim, texture/texturepatch etc ? I wanna know all the informations about this and about the skils.

just get a better client / server / exe and save you ALLOT of time
and plz dont be an ass by stealing someone else his files :)