Sorry, I have two more!! (and they're opposites)
<object width="420" height="315"><param name="movie" value="http://www.youtube.com/v/YlUKcNNmywk?version=3&hl=en_US&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/YlUKcNNmywk?version=3&hl=en_US&rel=0" type="application/x-shockwave-flash" width="420" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>
<object width="420" height="315"><param name="movie" value="http://www.youtube.com/v/3s3vHFyybxk?version=3&hl=en_US&rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/3s3vHFyybxk?version=3&hl=en_US&rel=0" type="application/x-shockwave-flash" width="420" height="315" allowscriptaccess="always" allowfullscreen="true"></embed></object>