The mystery about the ebay disc is solved, and just be glad you didn't buy it.
Posting on it here.
http://www.batmanmovieonline.com/forum/index.php?topic=338.0
And here is the movie.
http://demeterpictures.com/batman.html
Overall decent idea, but he should have spent more time on it. And the edits to the peice are jarring.
Not to mention the soundtrack being cut up. I have sent this to DR and he said this is definantly NOT the dark knight edition.