Visible crew/equipment: As Bo and Luke are surrounded by cops, Luke says "I never get tired of hearing him say that." As the camera pans around the front of the General Lee the camera is visible reflected on the front windshield.
Visible crew/equipment: When Bo and Luke are on their way to Atlanta, on the road people drive by them, yelling at them. As one car stops, you can clearly see a large white reflector reflected in that car's window. (00:41:15)
Visible crew/equipment: After escaping (with Daisy's help) from the back of the cruiser, as they are being chased, the sun casts a shadow of the camera and equipment. It can be seen on Bo's shirt as they "drift" through the first circle. This is before the big drift scene when Bo keeps driving around and around the circle.
Visible crew/equipment: When the camera pans into General Lee, as the Dukes sit on the Atlanta highway, in the backseat window you can see a red camera dot panning alongside the shot. (00:40:20)
Visible crew/equipment: In the scene when the boys are about to enter the trailer to steal the safe, you can see the shadow of a man on the fence in the background, just as they enter the door.
Visible crew/equipment: When the Dukes are talking to Prickett and Dil in the middle of the road, Prickett has a pair of sunglasses resting up on his cap. In them, you can see crewmembers and a boom mike reflected. (01:12:20)
Visible crew/equipment: After the Dukes have had their talk with Prickett, and get back in General Lee to go get Uncle Jesse, the shot stays on Prickett for a moment. If you watch in the grill of his truck, you can see the crew and a boom mike reflected in it. (01:13:10)
Visible crew/equipment: When Bo and Luke are talking to the geology student, and Katy Johnson pops in the door to hurry them up, just after she dances for Luke in the doorway, the camera pans back to Bo and Luke. Just then, a boom mic pops into frame at the top of the screen, then quickly moves back out. (00:55:00)
Visible crew/equipment: Whenever Luke wears his sunglasses, but most noticeably in the opening car chase, stage lights are reflected in them.
Visible crew/equipment: When the campus police pull the Dukes over, in the shot of the police walking over to their car you can see the camera shadow on General Lee, just ahead of the policeman. (00:50:30)
Visible crew/equipment: When Bo and Luke drive the General Lee out of Cooters after he has fixed him, there is a reflection of the camera crew on the side of the General as they are drifting sideways in slow motion.
Answer: Given the massive hype surrounding the film, and the untold publicity it garnered the Charger, I think it's highly unlikely that it was a coincidence, more a cynical marketing strategy.
Manky