Another goof was in the original Jurassic Park...when the T-rex traps the kids in the Jeep in the rain, it tries to grab them through the large sun-roof. In one of the angles you can see the glass break in half, but then it's intact in the next shot.
"During their fight at Orthanc, in the wide overhead shot, as Saruman flies backwards towards the large doors, the wire attached to the back of Christopher Lee's outfit is visibly pulling his clothes. (00:50:45)"
Another goof was in the original Jurassic Park...when the T-rex traps the kids in the Jeep in the rain, it tries to grab them through the large sun-roof. In one of the angles you can see the glass break in half, but then it's intact in the next shot.
And don't forget the "Speedo tan" in the waterfall scene...