Visible crew/equipment: In the scene where Napoleon watches the farmer shoot the cow, the film crew and camera are visible in the reflection of the glass door of the passing school bus. (00:16:20)
Visible crew/equipment: When Deb is calling Napoleon from the pay-phone, you can see the reflection of the camera-men in the payphone number-pad, as pointed out in the director commentary section of the DVD.
Visible crew/equipment: Just after Rex slaps Kip in the face, the actors' white tape marker is visible on the floor.
Visible crew/equipment: When Napoleon throws an orange at Uncle Rico, the shot goes from the front of the truck to the side of the truck. In the little window, one can see a camera and a cameraman.
Visible crew/equipment: When Napoleon is walking up to Trisha's front porch, if you look in the door, you can see the reflection of a cameraman standing out by the street. (00:38:00)
Visible crew/equipment: When Napoleon is talking to Deb on the porch, as he says, "I made about infinity of those at scout camp," he looks off to the side a bit and you can see crewmembers and a reflector screen standing on the lawn, reflected in Napoleon's glasses.
Chosen answer: This is never explained or referenced.