A small, fast paced map that I made and thought it would be nice for siege.
http://i.imgur.com/XuZ2dtJ.jpg
http://i.imgur.com/Sm0MlFY.jpg
http://i.imgur.com/r4QAlYL.jpg
(If the screens look a bit weird, I use fov 120)
Download: http://www29.zippyshare.com/v/0k8XP8ee/file.html
The map is in early stage, therefore subject to change.