OK, my last query didn't garner any replies, so I will take a different tack. By the Vixen 3 definition, what, exactly, is a chaser and how, exactly, is it provisioned? I have tried setting up a few different chasers with variable parameters, and none of them behave as I would expect. What I think of as a chase would make some of the effects I am trying to achieve much easier and faster, but so far I am not able to get any useful effects at all when I create one. Note I am working with simple, single color strings, not RGB.