in some games editors they have a preview box that shows you where you have placed your unit or object.. could also solve the editor icon issue as you will be able to tell where you've placed it.
not asking for the little box to be a live feed, it could simply be a snap shot photo and when the elevation, direction, position is changed it refreshes.
for example take a look at the attached photo's. gives you an idea on my request.
im sure most people will appreciate what im asking for.
{F21218} {F21219} {F21220}