Make movie from many captures in FBSD!

[Carstea Catalin]

  I want to make one presentation in FreeBSD and for this i want to
capture for n minutes all events, images, screeens ,..... from my O.S
in one movie ( avi, mpg).
  How can i do this ( in KDE ) ?
  
    

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Any help would be greatly appreciated.
regards,
Carstea Catalin