@martis67
1 ) open CC
2 ) host a game
3 ) click on map
4 ) in editor click 'new'
5 ) chose monochorme map
6 ) make your map with black only
7 ) when you are done click 'okay'
8 ) yo've maked a map!
9 ) test your map it will not be black!
or
1 ) go to your CC folder then maps
2 ) right click > new > bitmap image
3 ) draw your map and the place you want it empty color it with pink (i think)
4 ) you've maked map!
Test
1 ) open CC and host a game
2 ) click on map then load and chose your map!