http://forums.bukkit.org/threads/mech-anticreeper-v2-5-creepers-only-damage-players-1337.20331/ or use essentials and prevent them from even spawning
I did a quick search and found this. I have NEVER used this, so the rest is all educated guesses: Install that. Run the server. Go into /plugins/NoSpawn/ and find the configuration file. Make it say this: Code: properties: RefreshTimer: 20000 worlds: world: creature: Creeper: spawn: true BlockBlacklist: '' Limit: 2 UseGlobalBlockBlacklist: true Make sure world is your world name and 2 is the amount you want. Tell me if this works! - gfrung4