Did you purchase the MAF from AutoZone or is it a genuine OEM part from Toyota? If its not genuine toyota, that may be whats causing your headaches :\
![thumbsup thumbsup](https://celicahobby.com/forums/images/graemlins/celica/thumbsup.gif)
about the plastics. There's nothing wrong with removing them. But I though to ask anyways.
If you have an account with YouTube, you can upload your video to there, and then link to it, if you still feel thats necessary.