Improved simple motion blur. Compare to the popular potato one. Controls: Space to invert background. X to change the blur method to the popular one. C to change costume to/from that potato(to compare to the popular project). Hold Z for a slower render speed to look at how they blur. Use the down arrow for people whose touchpad freezes when pressing keys.
Completely made from scratch. Not the website, you know what I mean... The bottom text on the screen is my opinion on the blur method, don't get mad at me.