It should all work well, assuming you bind the keys exactly like instructed in the game (the throttle program keeps pressing 'select engine 1' 'select all engines' 'select engine 2' and then 'set power 50' and maybe an extra 'increase power') whenever the throttles are moved. If these keys being pressed are not bound to the right function in the game, annoying and puzzling results would no doubt ensue
To set the power to 110%, the program has to send first the engine selection, then power 100%, then two presses of "increase power" (first one gets it to 105%, the second to 110%). Strangely it works flawlessly. What an odd way of having to play around to get stuff working right. Luckily IL-2 accepts keypresses at lightspeed so it's possible to send a whole string of presses in a few milliseconds time, to get ultra-fast response.
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As for the color changing, do you mean to keep the new assignments after a computer restart? I haven't really checked but I got the impressions mine did remember (but I rarely restart due to computer sometimes not booting quite right). Either way, put that little color-changing program with the rest of the extra stuff you use (maybe the dual throttle program etc). That way you can go in and change all the colors in like 20 seconds whenever you need to.
Darnit, I forgot to include my 'make the Trim 3 knob control the sound volume'. I'll put it up later if anyone would want that. It's a knob, easy to reach, so having that to change volume fast is very convenient for me.