[fromcpu]

Originally Posted by jonnycosmic

You can already do this in the game. When you set up a new game, click the check box "Team colours" and it will do exactly what you ask. I don't know if you can edit this setting in game, once you have started a new game. I imagine it will be somewhere though.

yes I know, but I think the background is more important for the look of the game. see for yourself:
http://imageshack.com/a/img62/1771/uih6.png

http://imageshack.com/a/img801/1909/sb3q.png

http://imageshack.com/a/img22/9426/bdzl.png