Brianna Banks is the best with her facial expressions and bouncing tits when she gets fucked in the ass:
http://www.dvdtube.com/free-clips/?content_id=a006624&revid=10626
http://galleries.videosz.com/i-love-anal-2_4/videosz-i-love-anal-2-43.mpg
Damn, I don't have a link, but you definately want to get "50 Guy Creampie 8".
I am obsessed with anal and anal creampies, and this movie was the only one of its kind as far as I can tell. Every guy comes in her ass!