fixme put that video up as a request for such features in DS, but does not say how he did it
tedious keyframing I guess.
possibly using a null they track or something
The animation that fixme used is a commercial product. He did not make it other than loading the pose file. The animation is from Stimuli and available at Renderotica. I can’t give you the link here, but you can find it easily if you search for “Stimuli Showoff Deluxe for A4 and V4.2”. The animation does not require any additional rigging or add-ons. It just uses V4 and the morphs from morph++.