Allot of programs are using it now.
I've seen several big programs with it
http://www.upsellit.com/
I can't speak on whether or not who is giving affiliates credit for it,
when your jumping from one site to another there are allot of parsing issues
and who knows what goes on.
it's no different than a console tour.
As long as the affiliate is aware its an ok practice
give them an option for a no console tour and lower payout
As we get into the next generation of porn savvy surfers were going to be seeing allot
off the wall antics and acrobatics to get that bottom line back.