If they're moving backwards I would suggest rotatemesh entity,0,180,0
Rotatemesh is the way to go with this sort of thing... of course you could just load the model up into a modeller and fix it at source which is probably the better way to go.
Rotatemesh is the way to go with this sort of thing... of course you could just load the model up into a modeller and fix it at source which is probably the better way to go.