two of the best pics I've seen from Nikki:
http://www.finepornstars.com/jugg/nbenzh/0793.jpg
http://www.finepornstars.com/jugg/nbenzh/0936.jpg
from AVN 2010:
http://i46.tinypic.com/2ds496a.jpg
http://i50.tinypic.com/2ecpw6t.jpg
http://i45.tinypic.com/2h6v7s0.jpg
http://i49.tinypic.com/2ia3lt1.jpg