What Happened to the 757 that Hit the Pentagon?. Very compelling testimony and evidence, before you consider how selective they are.
God bless you, Snopes.
That link explains how flawed the film is, but I bet you, within the next few months, you'll get e-mail upon e-mail going, "OMG teh pentagon cresh was fakd!!1!1" Save the second link in your bookmarks, I know you'll be sending it to some people.