Insanity blocks:
set color of %V to %c
<presentation mode?>
<random boolean>
set color of %V to %c
<presentation mode?>
<random boolean>
Panther blocks:
show dialog %s with title %s
ask %s in dialog
tons of tutorials on Scratch, as well as block library:
(if [] then [] else [])
Jens blocks:
flip horizontally
flip vertically