Try almost any porn search in google and you will get back a page for the domain
http://www.songlyrics4me.com.
Try it for yourself.
www.songlyrics4me.com/springbreak_babes.htm
Number 1 for springbreak babes
www.songlyrics4me.com/free_mpg_teen.htm
Number 1 for free mpg teen
and so on.
I've tried various spider simulators to see what their real pages look like, but none of them show the real code. So I assume that they are using a server side cloaking script.
Anyone recognize the exact program they are using?