Debunking urban legends

The folks at snopes.com have some articles on aviation-related urban legends.

• Is a photo of an American Airlines jet with an engine on fire real?
  
  
• Did an airline pilot really use an ax to get back in the cockpit after locking himself out?
  
  
• Is a photo supposedly of a new F/A-37 Talon prototype real or fake?
  
  
• Was the damage to the Pentagon on September 11 really caused by something other than American Airlines flight 77?