This is my favourite advert ever! And it actually worked- me and my housemate will only drink R Whites lemonade!
<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/JqBa7eay6Fo&hl=en"></param><embed src="http://www.youtube.com/v/JqBa7eay6Fo&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object>
Ooh and:
<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/I8CTscW3dpI&hl=en"></param><embed src="http://www.youtube.com/v/I8CTscW3dpI&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object>
Apparantly the woman felt really really ill filming it, and had to keep stopping to be sick
And, just to show that my favourite adverts aren't all from before I was born, who could forget this classic?:
<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/dnc83YYlUCU&hl=en"></param><embed src="http://www.youtube.com/v/dnc83YYlUCU&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object>