Show cars and How to's

I know Alpine has some excellent pictures and instructions on what they did to make their show cars.  They showed good detail on how they did the doors and dash.  Does anyone have links to any other manufacturers websites where they show/give similar information.  Feel free to also include links to third-party sites as well.  I think I've been through all the posts in this forum so you don't need to post the links that have already been given.  I'm just looking for more.  Specifically I want to learn how to show off my crossovers when I install my MB Quart separates into the fiberglass doors I want to make.  I know I'll have to make a little box out of MDF to hold the crossover in each door, with one side open and probably an acryillic plate over it to show it off.  However after I cut a hole in the plastic of the door panel and make the little MDF box and put the crossover in it, how do I attach the MDF box to the plastic door panel so it will stay?  Should I just glass the back and seak it in?  I plan to cut a litttle hole so the wire can get inside this little chamber where the crossover will reside.

Thanks!

Plan, Research, Do