These trails should be seperated from a specific type of weapon function as currently smoke trails can only be used by missile weapons.. Id like them to be use able by all weapon types excluding say lasers perhaps..
The other sort of trail might be a color specified trail that is functions similiar to what youd get in say Homeworld 2 with the fighter trails or missile trails in that game that were just lines of colored light following a object

something that looks like this for instance.. this would be really cool..