Insert Freeze Frame is a script that inserts a freeze frame into a timeline event without use of Velocity Envelopes.  Rather it creates a lossless PNG image, which is then inserted at the desired point.  The video event, and associated audio if selected, is split at the position of the cursor and the captured PNG image is inserted.  If Auto Ripple is ticked, the remaining track events are moved to the right by the freeze frame length.  If Insert at Markers is ticked, a freeze frame will be inserted at each timeline marker.  If the video contains an alpha channel, the user should tick “Video has Alpha”.