The basic problem in putting additional ways to get AP would be: a) More people would start asking how ELSE you earn AP b) The spamming would increase c) The current system is fine, try getting a merit young grasshopper
And there's numerous guides and a stick on this forum on how to get AP. I think it's clearly stated. If you're too lazy to be bothered to look at it, then that's your loss.
Threads like this have been made many times (often with more specific suggestions and all). I doubt it's a good idea, but anyway. Move the discussion to an older copy of this thread.