Thanks for QMT Shift-E; I use it virtually every day.
My squad have all downloaded it, and love it. It is especially helpful when hosting squad vs squad matches, when you don't know the exact number of people turning up to fight. You can easy change the mission in seconds so that there are no AI wingmen. And the briefing editor is the best one out there. Great!
Possible bug report for you though.
For some as yet unknown reason, QMT consistently 'blanks' the time parameter. So the .mis file just reads 'TIME' rather than, for example, 'TIME 14.5' after saving with QMT. Also, in the QMT interface, on saving the time box resets to 12:00.
Not a big problem, but just thought you might want to know about it.