Resources - http://www.ttlg.com/forums/showthread.php?t=144469
http://www.ttlg.com/forums/showthread.php?t=87962
Dark Arrow wrote: The Getting started page can be very helpfull.
Dark Arrow wrote: Komag's website is also a good place for anyone to know, who wants make missions and he has a few tutorials at his site. (including a Complete tutorial explaining how to create a fan mission from beginning to end):
The Keep of Metal and Gold