Forced encounters - medium (since my air activity settings are at light, so it's nice compensation that way - I might turn it off if I set air activity to medium or heavy).
AI Reduced Vision - on (AI cannot see through clouds, fog, etc., with that toggled on).
AI Enhanced Skill Level - off (AI fight to the death if that setting is toggled on).
I leave the option on (default) for incendiary rounds (I think it helps with balloon busting, for igniting of balloons, Zepps, etc. - I don't think it is tied to frequency of visible tracer rounds - that can be taken care of via JJJ's various tracer round mods.).
TIP: leave Enhanced Skill Level for AI off, but modify the "individual fighter-v-fighter" entry of the simulation.xml file for WOFF PE/UE as follows:
The above changes give a little bit more stubbornness to the AI, so that they sometimes continue fighting even if lightly/moderately damaged - but will still try to escape if heavily damaged.
TIP 2 (as mentioned in the Wish List thread): modify the following line in the "Bumps" section of the simulation.xml file - to increase/decrease frequency of turbulence (other settings should be left alone from what I can gather since they are changed via JJJ's MultiMod wind settings; I will experiment further by removing the MultiMod in an old ver. 4.18 install of WOFF that I have and manually manipulating all entries under "Bumps" - will report back if I find something exciting there).
Default is 5 sec. periods, random, with no turbulence (set to about 2 if you like the constant vibrations of RoF; set to about 10 if you like bumps and smooth flying interspersed more evenly).
Cheers and happy tweaking,