When I was working on an animation a while back, I exported the terrain segment to .ter, pushed it into TerrAnim, created a TG 0.9 camera path there, and then wrote a quick and dirty PHP script to convert it to TG2's animation scripts, which resulted in 1550 perfectly smooth frames. The format for animating objects is similar to that of the camera, so if you have half-decent scripting skills, you can probably do a similar thing with your fighters.