Here is a video clip of GM Dunn performing and explaining the basic 20 Hyung of Kong Soo Do, or at least his version. I don't know why but for some reason it doesn't really look like Kong Soo Do to me, but more like some sort of modified wing chun. I also don't really see any body weight transfer in the movements, just arm and leg power only. There are some front kicks and a side kick. Also the joonbi is different from what I have learned. We never learned to snap our fists into position like that. Anyway, here it is:
http://excoboard.com/martialwarrior/148245/1783982
http://excoboard.com/martialwarrior/148245/1783982