Have these 2 awesome maps for suggestion these are balanced and open ground type maps well suited for our server , air strafing and zm abilities can be done easily so its pretty good
https://gamebanana.com/mods/download/494788#FileInfo_1136243 zm_chuvy_remake 3.33 MB
https://gamebanana.com/mods/497583 zm_pioneercs_x2 3.64 MB
edit:zm_pioneer has a ladder bug its crashing cs* Carbon