I wast just giving input... I dont know myself although there are people who can tell you or you can download a lightning object that you can import into your picture. Go to www.chemicalstudios.com (im not sure about the spelling) As for the rain, other than using it as a sky, I would you go to: http://www.geocities.com/SiliconValley/Program/3093/tutor/bryce/rain.html Tempest