I can't see screenshots here at work, but is it the mod where when you choke a stormtrooper they flail about? Was it this one:
http://jediknight3.filefront.com/file/Telekinesis;96742
As far as changing animations in JA here are some tutorials I wrote up:
http://forums.filefront.com/sw-jk3-m...ng-dragon.html
They start on post 8.