The graphics chip on your Mac probably isn't fast enough. The ripple
effect is done through Core Image, but the ripple is disabled if your
graphics chip isn't supported by Core Image.
Image and which graphics chips it works with.
Roger Johnstone, Invercargill, New Zealand
No Silicon Heaven? Preposterous! Where would all the calculators go?
Kryten, from the Red Dwarf episode "The Last Day"