I just saw this film and I don't know if there are many that have but I would recommend not seeing this film. Some parts of the movie was OK but others were left out all together or left out and spliced in at random times. M Night Shamalyan needs to do a better job then this I don't know if I can watch another one or even if enough money will be made to make one. Personally I don't think I will be able to understand any of it at all if I hadn't see the series a number of times.
Please anyone that has seen the movie or plans to or even those that just want to put in their own views please leave a comment.
Anyone that is a Last Airbender fan please check out these links in the first one I believe my theory is confirmed.
The other is about the next season that will be released.