2013-02-05 17:14:33 [WARNING] Plugin from file: file:/C:/Test%20Server%20PVP/Minecraft/plugins/ecoCreature.jar has embedded Metrics in the default package. This is not advisable, go nag them!

LOL Bukkit load up sent me here to NAG YOU 👯

Latest dev build has the fix/change. Thanks for reporting this issue.