How is this done?

[Captain Satellite]

Mods,
Sorry I couldn't be more specific in my subject title! These are obviously shot separately, where do you go from there?

http://www.youtube.com/watch?v=R195Nie2qoI

http://www.youtube.com/watch?v=Uhbzi3O8zh0

[guns1inger]

You could do a crude version of this with avisynth and the stack commands (stack horizontal/vertical). Add a few fades and effects and it would look pretty good.

To do the overlapping quadrants, I would use Vegas with Event Pan/Crop and Track Motion. It would take all of two minutes to put that together once the footage was shot. I suspect premiere can do it pretty easily as well, although I haven't used it in years so I can't give you details.

[Captain Satellite]

Thanks, guns1inger. I don't suppose I can do this in elements?

[guns1inger]

It supports picture in picture and multiple video timelines, so it may well be possible. You may have to play around with it to find out exactly how.