Ripple Dissolve

The BCC Ripple Dissolve filter creates a rippling distortion similar to
that generated by a raindrop or pebble falling onto a smooth pond.  The
distortion amount automatically animates as your transition progresses to
obscure the underlying dissolve between clips.

[To learn more about this filter, and see a breakdown of the various controls,
please click here.]( “BCC Ripple
Dissolve Help Documentation” )