Broquea,
What program did you use to record your screen? Recordmydesktop? FRAPS? (didn't look like you were sshed in from windows)
Also, for those interested, I recently watched this one from Martin Levy of HE:
http://www.youtube.com/watch?v=p47m5XVt4WQ (http://www.youtube.com/watch?v=p47m5XVt4WQ)
GTKrecordmydesktop under ubuntu 9.04