I believe the issue is the lens flare ..when I change the light in the alien to lens flare I get the one showing in the middle where no flare should be..
no lens flare try just light
doodle1.mov
different lens flare then one in first post
doodle2.mov
I should try this without the swarm setup
doodle3.mov
3 models on path ...not sure why it ends as it did
doodle3.prj