Here are some of the Joint Ops Coop maps that we are currently playing with.
http://www.cogops.com/public_ftp/a_tunnel_life.zip
http://www.cogops.com/public_ftp/bad_lands.zip
http://www.cogops.com/public_ftp/bgbbridge_attack.zip
http://www.cogops.com/public_ftp/khit_khat_ride.zip
http://www.cogops.com/public_ftp/pacos_coop_9u.zip
http://www.cogops.com/public_ftp/razorbladev1.0.zip
http://www.cogops.com/public_ftp/sch_birdie_down.zip
http://www.cogops.com/public_ftp/simcitycombat2.zip
http://www.cogops.com/public_ftp/a_tunnel_life.zip
http://www.cogops.com/public_ftp/bad_lands.zip
http://www.cogops.com/public_ftp/bgbbridge_attack.zip
http://www.cogops.com/public_ftp/khit_khat_ride.zip
http://www.cogops.com/public_ftp/pacos_coop_9u.zip
http://www.cogops.com/public_ftp/razorbladev1.0.zip
http://www.cogops.com/public_ftp/sch_birdie_down.zip
http://www.cogops.com/public_ftp/simcitycombat2.zip