[ubuntu] Graphic penguin

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http://ubuntuforums.org – Good morning. I just downloaded ubuntu 12.04 and I recently saw a video about it on youtube and on the desktop this person had a penguin walking over the bottom of the screen. How was that done? I also saw a kubuntu 12.04 video and I see that they have widgets available and it has a bouncing ball that u can start on the screen but i really liked that penguin walking. How can we OR can we do that with ubuntu 12.04? (Hardware)