Unfortunately the "cross" type transitions do not work correctly and so it's good that the the "overlap" is the default.
If you use a "cross" transition between two clips where there is movement in the shot - which is going to be true in almost all cases - movement in the incoming clip is frozen until the mid point of the transition. Likewise, movement in the outgoing clip freezes after the mid point of the transition. So if it's video from an air show, and the clips show moving aircraft, the plane in the outgoing clip will magically start to hover, not fly, from the mid point of the transition.
So - stick to overlap transitions unless you check very carefully that a "cross" transition does not reveal this shortcoming in the program.
This message was edited 1 time. Last update was at Nov 25. 2010 17:41