"In July 2009, at The Anime Expo convention in Los Angeles, California, Yasuhiro Nightow and Satoshi Nishimura held a panel for the movie. Shigeru Kitayama and Noriyuki Jinguji also appeared to promote the movie. During the convention a trailer was showed depicting characters of the movie.
The film will be animated by the same company that animated the television show, Madhouse."-Trigun, Wikipedia
There is website show of a trailer plays sneak peek view as well. Go to [link]
or MillyT deviantART account page.