Here is the link: http://13800kms.wordpress.com/2010/02/07/avatar/
It contains some of the 50 most recognizable phrases of the movie, things like "This land is ours!", "You should see your faces", and "Ladies and Gentlemen, you are not in Kansas anymore!", apart of names like the dragon horses and soul tree...
For the pinyin of the list, use either Para-kun or any other browser tool that recognizes Chinese input... Enjoy!