I have followed this series from the start.
I think I should point something out. The whole purpose of having a "stick movie" is that "Sticks" as they are, are extremely easy to animate. This is wwhy some people don't like stick movies, since sticks have no depth, shading, and it's just a bunch of one colour characters running around.
You, my friend, have totally defeated that purpose. You've got shading, animated faces, detail, ect. Sure, they're "sticks" but they're just as good as fully animated bodies.
You've out done yourself, this was great. You even get a 5 for inetarctivity, because of your scene selector.
Can't wait for part 4