Bukkit

Here is the list of all the config options:

• use-scoreboards: [true|false] - if true, this plugin will use the scoreboards to display information. Please note that this might break with any other plugins that use scoreboards in some way! Default: true
• enable-hammer: [true|false] - if false, the Hammer of Notch will be disabled for the whole server. Default: true
• hammer-id: <id> - id of an item that will be used as the Hammer of Notch. Default: 285 (golden pickaxe)
• hammer-damage: <amount> - how much damage should a charged Hammer of Notch do (not counting in the lightning damage)? Default: 15 (7.5 hearts)
• hammer-charge-cost: <amount> - how much XP should be required to charge the Hammer of Notch. Default: 8
• hammer-lightningwave-length: <amount> - how much times should lightning strike, when the lightning wave ability is used. Default: 10
• enable-lightningball: [true|false] - if false, the lightning ball spell will be disabled for the whole server. Default: true
• lightningball-manacost: <amount> - the amount of mana required to cast the lightning ball spell. Default: 200
• enable-endercloak: [true|false] - if false, the Ender cloak will be disabled for the whole server. Default: true
• endercloak-spawnendermen-cooldown: <amount> - how many ticks should it take, before the next enderman will spawn around a player that have the endercloak equiped (20 ticks = 1 second). Default: 400 (20 seconds)
• enable-blink: <amount> - if false, the blink spell will be disabled for the whole server. Default: true
• blink-manacost: <amount> - the amount of mana required to cast the blink spell. Default: 125
• blink-range: <blocks> - the range (in blocks) of the blink spell. Default: 20
• enable-tntsword: [true|false] - if false, TNT sword will be disabled for the whole server. Default: true
• enable-jetpack: [true|false] - if false, the Jetpack will be disabled for the whole server. Default: true
• jetpack-fuel-id: <id> - id of the item that will be used as fuel in Jetpacks. Default: 331 (redstone)
• jetpack-fuel-ticks: <amount> - the amount of time it takes for the Jetpack to burn 1 fuel item in ticks (20 ticks = 1 second). Default: 20 (1 second)
• enable-sniperrifle: [true|false] - if false, the Sniper rifle will be disabled for the whole server. Default: true
• sniperrifle-id: <id> - id of the item that will be used as the Sniper rifle. Default: 292 (iron hoe)
• sniperrifle-ammo-id: <id> - id of the item that will be used as ammo for the Sniper rifle. Default: 289 (gunpowder)
• sniperrifle-damage: <amount> - how much damage should the Sniper rifle do (2 damage = 1 heart). Default: 14 (7 hearts)
• sniperrifle-reload-pertick: <amount> - how much % should be reloaded of a Sniper rifle every tick (20 ticks = 1 second). Default: 3
• enable-rocketlauncher: [true|false] - if false, the Rocket launcher will be disabled for the whole server. Default: true
• rocketlauncher-id: <id> - id of the item that will be used as a Rocket launcher. Default: 401 (firework rocket)
• rocketlauncher-ammo-id: <id> - id of the item that will be used as an ammo for the Rocket launcher. Default: 385 (fire charge)
• rocketlauncher-reload-pertick: <amount> - how much % should be reloaded of a Rocket launcher every tick (20 ticks = 1 second). Default: 1
• enable-flamethrower: [true|false] - if false, the Flamethrower will be disabled for the whole server. Default: true
• flamethrower-id: <id> - id of the item that will be used as a Flamethrower. Default: 294 (golden hoe)
• flamethrower-ammo-id: <id> - id of the item that will be used as an ammo for the Flamethrower. Default: 385 (fire charge)
• enable-grenades: [true|false] - if false, Grenades will be disabled for the whole server. Default: true
• grenades-id: <id> - id of the item that will be used as a Grenade. Default: 392 (potato)
• flashgrenades-effect-ticks: <amount> - how long should it take for the blindnes effect created by the flash grenade explosion to wear off (20 ticks = 1 second). Default: 200 (10 seconds)
• enable-spellbook: [true|false] - if false, the Spell book will be disabled for the whole server. Default: true
• mana-max: <amount> - the maximum amount of mana player can get. Default: 1000
• mana-regenticks: <amount> - the amount of ticks before player will regenerate 1 mana point (20 ticks = 1 second). Default: 2 (0.1 seconds)

To regenerate your config file, delete it and reload the server.