this thread may give you some leads:
Premium Link
Upgrade
it's primarily pics, but if you know the slut and the site or studio, you can probably figure out the scene and search for it...eg page 101, Bridgette B, the link to the pics is for My Friend's Hot ***, and it's this scene:
Premium Link
Upgrade
as for specific recommendations: You can never go wrong with big-tit Barbie doll slut Nicolette Shea...
Dirty Dicking - it's not too long, but starting at about 32:40
Premium Link
Upgrade
*******'s Boobs 3 - starting at about 14:15
Premium Link
Upgrade