All it takes to produce the images is a video camera, and not even a great one at that. CCD's in most cameras are sensitive enough to capture even the fastest image and feeze it. I know my images on Raptor and Magnum look like still shots, and that's fast. I'm guessing that the most logical (read: least expensive) location for the on-ride will be coming out of the second tunnel as the train turns past the station.