hey kap, sorry I haven't dropped in on this thread for a while.
My opinion in my official capacity as gameplay dude is this: you have made it very clear via the legend what the archers and targets can and can not do. I think what is missing is clarity around the "wall." As the only means of attack between the archers, the wall is a central element of the the map, but right now it looks like an afterthought. It doesn't look like a wall, nor does it really make sense that the it's there in the first place. Why a wall? Are the archers shooting through it? Do they climb on it and drop down on each other to attack each other?
Perhaps what you want is not a wall at all, but a mezzanine behind the archers which all can attack and from which all can be attacked. A lobby? Waiting area? Pro Shop?
My opinion as a user is this: this map is so screaming out to look FUN! Nobody will take this map seriously because of the subject matter, the smiley faces, and the giant stacks of armies, so you may as well make it over the top. I'd like to have a cartoon bunny to shoot at - no bonus, just for thrills. Flowers in the grass? And how about cartoon grass to go with the cartoon targets and smileys? And why make all the smileys the same - you could use eight different CC smileys.
Hell, you could even animate them.
Right now the map is mildly ridiculous, which means nobody will play it more than once. If it is absolutely ridiculous, it could become the next Doodle.