about zs_illusion... use bspedit (
http://cs.gamebanana.com/tools/5061), to add spawns (info_player_start)
Just run across the map, type "status" in console to get coordinates... and add spawns at these coordinates...
Ou, and could you post some useful information for mappers, I believe there are many servers that would love to run custom maps or remake old maps ;)
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