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.
"Just as Jack says, "On deck, you scabrous dogs," to the very left edge of the screen over Jack's shoulder is a grip crew member with a tan cowboy hat, white short sleeve tee shirt and sunglasses, just standing there looking out to sea. (02:12:35)"
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...