no effort whatsoever...
...i know it's not supposed to be an actual movie, then why did it have the file size of one? One, because of the music, the length of which is not needed for something only 3 seconds long. Two, because the simple kodamas in the picture are made of bitmaps or jpegs or something other than Flash graphics. It would have been very simple to trace them as such, and cut down at least 10-20 kb of space.