Here is a list of links to discussions on Single Mission Building Basics;
RxMan's Object List for 4.07.zip
RxMan's Gun Emplacements list for 4.07
FMB Complete list of Commands
Mission Building FAQs
Mission Building Idiot's Guide
Making A.I. Aircraft Stationary
Expanding Map Size with the .mis File
If anyone has another link they would like added, please post it here.
Here is an organized, filterable guide to the FMB objects up to 4.03:
http://www.sturmovik.de/oe/index.php
You can, for instance, filter out all winter objects or show nothing but winter objects.
I have a shortcut ot it on my desktop and have it open during mission building. When I need to find an object I minimize the game, find it using this invaluable guide and then mazimize the game.