That one of Luci is great.
That "one only" rule is just too krazy to abide by!
My #1:
Charmane Star - Flesh Hunter #5
http://www.************/videos/flesh-hunter-136320.html
Runner-up:
Charmane Star - Weapons of Ass Destruction #3
http://www.************/videos/charmane-star-2159838.html
(not the biggest but it just makes her look so damn good!)
Honorable Mention:
Luci Thai
http://videos.sxx.com/fame_teasers/0/01/0173/7dfc336ae5/0173_04/01/0173_04_15sec_03.wmv
...or just about any other North shot!
(ex. http://www.vipervisuals.com/tgp/peter_north/facials/peter_north_cumshots_12.jpg)