There is a full screen 220 Mb divx version available on archive.org;

 http://www.archive.org/movies/movies-details-db.php?collection=independent_news&collectionid=Indefensible

or there is the smaller 13Mb quicktime version linked from this page.

The quicktime version uses the 3ivx mpeg4 video codec, and mpeg4 audio.

The film is 27 mins and covers many of the actions at DSEI, with some background information about the arms trade.

DVD's of the film may be available by emailing the video list;

imc-uk-video AT lists.indymedia.org