The BCC Trails filter creates motion trails, video echoes, and video
feedback effects which can be combined in a variety of ways.
Boris Continuum Complete includes both a BCC Trails and BCC Trails
Basic. The two filters are very similar except that BCC Trails Basic does not
include all the parameters; BCC Trails provides more options for controlling
the effect; while BCC Trails Basic is streamlined for when you want to create
a simple Trails effects.