After playing mg server too much I think new maps can be added so that players can get more fun instead of the normal maps.

http://www.gamebanana.com/maps/145450
http://www.gamebanana.com/maps/161385
http://www.gamebanana.com/maps/162816
http://www.gamebanana.com/maps/162140 This one it's better version of mg_ski_mountain I don't know if players like the older or newer so it's better to keep them both.