Here's a yahoo group with mixed wrestling, don't think there's any bb though
unfortunatley - check out the files section, some great vids there.

groups.yahoo.com/group/real_mixed_wrestling/

The best faked ballbusting was probably the beverly hillbillies movie, that
was certainly my fav, and what got me interested in wrestling; for me the
public humiliation is the huge turn on, though I still prefer kickboxing. That's what's really hard to find: mixed kickboxing bb.

web.archive.org/web/19991004025739/http://raq1.tlcnet.com/users/marc/mpg/beverly.mpg

Here's where I got it form, marc uk's old site.

web.archive.org/web/19991004025739/raq1.tlcnet.com/users/marc/mpg/mpg.htm

There's also a bunch of wwf vids near the bottom worth checking out. And fist of justice is pretty good.