Speed: 1 is slowest, 100 is fastest. Smoothness: 1 is smoothest, 360 is least smooth. Press space to show and hide settings. Turbo Mode makes everything look different.
I found this script on the Scratch Wiki and decided to modify it. Some Interesting Settings: Speed 10 Smoothness 120 makes a triangle Speed 10 Smoothness 121 makes a triangle spiral Speed 10 Smoothness 144 makes a star Speed 10 Smoothness 145 makes a star spiral