They censured the middle-finger, and it sucked. Why would they censure something like that? In the anime Kid says Law has bad manners because he turns the head away from him? Dude, the manga way was hilarious, and badass at the same time, when I read that part in the manga was when I started to like Law.
http://www.onemanga.com/One_Piece/500/16/
Oh, and the quality of the video and the subs left much to be desired.
Edit, just found it in youtube a fanmade altered scene of it:
http://www.youtube.com/watch?v=AQZ4Ga5rT5c