Here you can view my front and rear setup. I dont have much space left for the back.
http://www.woxxom.com/images/front.jpg
http://www.woxxom.com/images/back.jpg

Some folks suggested to use the full metal brackets to hang my m22 but there is no way to put them 1 foot away from the wall with these brackets. Are you suggesting to use floor stands?

the left side of the room is open.