I noticed you still have that bit that sticks out on the tail lights.... so I found some better pics of the lights for ya
http://www.davebean.com/images/TailLightsMkI.JPG
http://images.europeancarweb.com/fea..._side_view.jpg
http://freespace.virgin.net/tommy.sandham/gt500_1.jpg
also watch out for polygon flow under the tail lights.... it looks like there's a tri there causing some issues with the smoothness