I googled "swallowing bbc spit" or sotmehing like that and I got to some InterracialPass(dotcom) video. Try to google something like slim/skinny/small tits+ redhead+bbc+gagging etc. and maybe you will find her. It will take some time though I guess.
For anyone whos interested - the scene is taken from the Fuckin at 50 #12 and Andrea Szucs is the womans name. Plenty of other movies and scenes with this incredibly hot woman are available so check them out.
Please help me with these.
1) http://www.tnaflix.com/teen-porn/Ebony-darling-with-a-dick-in-is-mouth/video156063
2) http://www.tnaflix.com/amateur-porn/ebony-teen-slut-takes-big-jizz/video162594
3) http://www.tnaflix.com/hardcore-porn/Hot-ebony-teen/video295761
4)...
I found more of her here: http://www.xxxmofo.com/6977/Hot_brunette_amateur_shows_her_body_and_sexes_it_up_HQ.html
Seems shes an amateur chick but she looks very profi I hope she might be in business.