The fourth trail was added by someone trying to prove all the trails are identical. It's at the link that started this thread.
*chuckle*
Sorta makes the point in a roundabout way -- that trail is indistinguishable from the others! I'm not talking about its shape -- which does seem identical, of course. I'm talking about the lack of any distinguishing artifacts that would mark it as "fake" as opposed to the others, putatively "real".
The point being that the obvious ease with which a "trail" can be *seamlessly* added to the photo... aw, nevermind. If you don't want to see it, I'm not gonna try to twist your arm.
It established on Monday that a photograph of an Israeli F-16 fighter over Nabatiyeh, southern Lebanon and dated Aug 2, had also been doctored to increase the number of flares dropped by the plane from one to three.
Its Monday statement, after describing the flap over the first image, reads: "An immediate enquiry began into Hajj’s other work. It found on Monday that a second photograph, of an Israeli F-16 fighter over Nabatiyeh, southern Lebanon and dated Aug 2, had been doctored to increase the number of flares dropped by the plane from one to three."