Besides, the jerkiness is part of the "look" of live stop-motion films :) Abusive comment hidden. (Show it anyway.)
Miss C-- A sturdier tripod will not change anything. The film is made with stop-motion, which means that the jerkiness is from the camera and the people shifting position in between frames, like a flipbook. Abusive comment hidden. (Show it anyway.)
I wouldn't be surprised if that "before" photo has been photoshopped, too. Abusive comment hidden. (Show it anyway.)