to modify the law smoke without blocking online play? if so, how and what file do i change?

c:/soldat/Sparks-gfx-/smoke.bmp but its also used for other things

umm...like wat? cos i want to know whether modding it will make my mod look crap

It changes the smoke of law and when the bullet hits the wall.

nade too.

jets too

Nade? Nope.
Jets? Nope. (Except the smoke that comes with the flames. ;])

oh, ok. thx. my jets need new smoke NEway. thx all.