Flight 93 debris photos - exhibits used at the Moussaoui trial
More debris shots - a collection of low resolution images we found online.
EPA report photos - more shots from what looks like an EPA presentation.
Cockpit voice recorder transcript - as submitted to the Moussaoui trial (original at http://i.a.cnn.net/cnn/2006/images/04/12/flight93.transcript.pdf)
Sites disagreeing with the official Flight 93 story
Flight 93 Crash - This website explores different theories of Flight 93's crash
Killtown - What really happened to Flight 93?
A K Dewdney - The Cellphone and Airfone calls from Flight UA93
LetsRoll911 - LetsRoll911.org has discovered that Fight 93 was definitely shot down
Sites offering some support for the official story
Popular Mechanics - Comments on "The White Jet", The Roving Engine", "Indian Lake" and "F-16 Pilot" Rick Gibney
Pittburgh Pulp - A mildly critical look at some Flight 93 shootdown evidence and theories
Cleveland Free Times - Another general article putting the “for” and “against” case for many Flight 93 theories.
Other Flight 93-related sites
Devvy Kidd - A collection of four articles disagreeing with the idea that Flight 93 didn’t crash Shanksville, but raising suspicions that it was shot down.
The Memory Hole - Air Traffic Control Recording of 9/11 Flight 93
Memorial Project - Information on Flight 93 and the building of a national memorial
Universal Studios - Flight 93: The Movie