oh and how about the new Vehicles like the slammer UP and the jets u could add them as well :)

If you want to add more buildings to the commanders build list you can find that in the west_base.sqf you can add any building from any mod and it will work. This can be done on the defenses and buildings with ease. Units are not operating the same way for some reason and adding units appears to be an entirely different process that has trouble accessing mods classnames and other information. Just be sure before you start putting your edited/modified versino up to play with other people and not privatly you do your due dilegnece and ask permission