how to make a walljump

how can i insert walljump on a multiclient with ollydbg?
it doesnt have to be gw walljump since thats just ruining the fun in gw =/ it jsut needs to be walljump for out of gw.

read through this thread addresses may be a bit off but all the info you need is there [Only registered and activated users can see links. Click Here To Register...]