Following is the data needed in the aircraft.cfg file for this effect to work. Copy and paste ONLY the two lines below for the appropriate aircraft: [SMOKESYSTEM] smoke.0=3,XX.XX,XX.XX, fx_fallsw3.fx //For the DC-3 [SMOKESYSTEM] smoke.0=3,-17.86,-5.28, fx_fallsw3.fx //For the DeHavilland Twin Otter [SMOKESYSTEM] smoke.0=3,5.86,-5.28, fx_fallsw3.fx //For the Junkers JU-52 [SMOKESYSTEM] smoke.0=3,-5.86,-5.28, fx_fallsw3.fx //Mike Stone's C-130 [SMOKESYSTEM] smoke.0=3,-17.86,-0.00, fx_fallsw3.fx