quicktime + smil for creating quicktime videos

I've been looking at the Linkubator script from Andreas Haugstrup Pedersen which is used to create a SMIL script that can be saved as a quicktime movie, and can combine videos, text, audio images etc hosted on the net into a 'remuxed' video.

research links:

http://developer.apple.com/documentation/QuickTime/Conceptual/QTScriptin...

http://developer.apple.com/documentation/QuickTime/Conceptual/QTScriptin...

http://homepages.cwi.nl/~media/SMIL/

http://www.onjava.com/pub/a/onjava/2003/08/13/qtj_reintro.html

descktop vogging:
http://hypertext.rmit.edu.au/vog/desktopvogging/desktopvogging.html

SMILtext