Yep, thats Petra. One of my favourites, but very hard to find. Everything I ever found of her, shes called Petra.
Shes on Teenflood - a few solo photo sets and 2 solo vids. Check out
http://www.teenflood.com/showprofile/01F1B37537F0/
but the link probably won't last for long. TF had some shots and vids of her doing lez with this girl
http://peachyforum.com/forums/t/24865.aspx
but they must have been dropped. Maybe they will recycle them sometime.
On the DDF sites she has one toying set and one BJ, pics and vid. She is incredibly noisy!!!!! As well theres the casting vid you found caps for.
On ATK Galleria there are the DDF sets and vids plus some more lez, same girl, same photog but slightly newer I think.
And, on club 17, their video site, there is one solo vid and the Holy Grail, BG. She must have been in one of their movies, but I cant find it on the preview now, so I dont know the movie title.
If anyone finds any more I would be VVV interested.
I reckon all of her work is about 5 years old. Pretty sure shes Czech.