Code:
Geometry = Box
GeometryIsSmall = Yes
GeometryMajorRadius = 14.0
GeometryMinorRadius = 7.0
GeometryHeight = 5.0
Shadow = SHADOW_VOLUME
Scale = 1.1
Shadow = SHADOW_VOLUME
ShadowSizeX = 89 ; minimum elevation angle above horizon. Used to limit shadow length
should be right in there... unfortunately you have to add this to each individual object you want to change