For a current list of ammo types look at http://code.google.com/p/hedgewars/source/browse/hedgewars/uTypes.pas#146
{{{
 // Available ammo types to be used by hedgehogs
TAmmoType = (amNothing, amGrenade, amClusterBomb, amBazooka, amBee, amShotgun, amPickHammer,
amSkip, amRope, amMine, amDEagle, amDynamite, amFirePunch, amWhip,
amBaseballBat, amParachute, amAirAttack, amMineStrike, amBlowTorch,
amGirder, amTeleport, amSwitch, amMortar, amKamikaze, amCake,
amSeduction, amWatermelon, amHellishBomb, amNapalm, amDrill, amBallgun,
amRCPlane, amLowGravity, amExtraDamage, amInvulnerable, amExtraTime,
amLaserSight, amVampiric, amSniperRifle, amJetpack, amMolotov, amBirdy, amPortalGun,
amPiano, amGasBomb, amSineGun, amFlamethrower, amSMine, amHammer,
amResurrector, amDrillStrike, amSnowball, amTardis, amLandGun, amIceGun, amKnife);
}}}