Now there is a reference manual and mission editor lessons in the riseofflight site, community, useful materials section but even those are more complex than a typical IL2 mission builder needs to begin with, get results and get himself and his squad flying.
Now at the moment I don't have the time to produce training videos (and there are other people that do it better than me) as I am preparing the "Biggle Flies undone" 1916 campaign which starts on the 16/9/13. That means generating 24 missions in less days and in parralel I have started the basic design work on a collaborative multi player campaign generator for ROF/BOS which will make campaign generation far easier and faster in the future.
However, there is one little trick to ROF mission building that I don't think has been mentionned. If you go online in ROF and fly a mission, afterwards look in the Riseofflight/data/Multiplayer/Dogfights or Cooperative directory and you will discover the mission files of the mission you have just flown. This means that very quickly you can collect a set of missions, open them up and start changing them. If you get 3 or 4 good mission builders started it can snowball very quickly as everybody steals their work.
Next I normaly spend about 60-90 minutes to train an IL2 mission builder on teamspeak to build a multi player ROF mission. To do this everything is kept very simple but it covers 80% of what most people did in IL2.
Start with a preprepared mission that can be "aquired" as described above.
Activate an airfield and allocate several planes that can be flown from it
Add a flak position
Add a couple of stationary trucks on a road
Add a truck, mission begin timer, timer for when I want truck to start moving, waypoint to tell it where it is going
Add an AI plane in airstart mission begin timer, waypoint to tell it where it is going
Save mission, fly mission
Once someone can do this they have the basic elements needed for most stuff. Now any competent IL2 mission builder can handle that with a brief introduction - it is familiar but not identical. Can't you remember how much time and fiddling it took to get a flight of planes off a moving carrier do a circuit then land in Pacific Fighters? This isn't that difficult.
Save the complex stuff for when the basics are mastered.