Be careful of overseas rubber. I have had overseas rubber turn gray and crack before I had a chance to install it.
take a look at page 2 of this build thread. This guy has pretty good pics of corner window installation
page 2 post #23 you might be able to give your "truck" guy some pointers.
Also "Jockbolter50" from across the pond put together a great set of photos for our benefit
Rear glass install pics Good Luck