This one of a penguin falling over is an absolute classic. Note: It's essential to have sound enabled on your computer to fully appreciate it.
And for those of my LJ friends who are learning languages, you might like Benny the Irish Polyglot's multi-lingual video "Skype me maybe".
Now it's time to put the computer off, make dinner and watch TV.
[Cross-posted from Dreamwidth by way of a backup http://heleninwales.dreamwidth.org/74819.html. If you want to leave a comment, please use whichever site you find most convenient. Comments so far: .]