I usually add new features in stages and as you might expect, half-done feature can look very strange. Whenever I get anything especially weird-looking, I record it for posterity. From that collection, I put together a short video showing the intermediate stages of the character physics in Overgrowth:
Be sure to watch it in HD!
I hope you found that to be as weirdly entertaining as I did! I still have quite a bit of footage from the development of other features, and could put together some more videos if you enjoyed this one.