A light-weight, highly configurable head collecting plugin for Minecraft

Main configuration file:
config.yml

Default drop chances:
head-drop-rates.txt

Drop chance adjustments due to SpawnReason (chunk_gen, breeding, spawners, etc.):
spawn-cause-modifiers.txt

Mob head textures (from minecraft-heads):
head-textures.txt

Javadocs (available here):
For plugin developers interested in hooking into the DropHeads API