As you said, there are main missions placed over town, I (don't think) I've seen a side mission in a town - perhaps understandably for some types of mission such as secure intel, because searching through dozens of houses may become tedious after a while. I also believe that OP was suggesting a new mission type, perhaps where civilians are spawned and BLUFOR has to clear a town while killing less than X civilians.
Also, armathree, if you're not interested in development, then you may consider also looking here: http://www.ahoyworld.co.uk/forum/24-the-ideas-box/
Hi there and welcome, most of the stuff you have mentioned is in place at the moment and is running. However if you feel it can be improved in any way BACONMOP is looking for people to help develop Invade and Annex. Hope that helps.
http://www.ahoyworld.co.uk/topic/4820-want-to-help-develop-ia/
armathree reacted to Max in Close combat side mission