When players are breaking blocks, there is a chance the block will turn into a cake. The message "The Cake is a lie" is then displayed.. If the cake is broken, there is a chance of the cake exploding.

Permissions List:
thecakelies.cake : The player needs this permission to have cakes appear when breaking blocks when UsePermissions is set to true in the config file.
thecakelies.explode : The player needs this permission to have the cakes explode when UsePermissions is set to true and Explosion is set to true in the config file.
thecakelies.reload : This permission is needed to run the "/tcl reload" command.

Config:
Explosion: true - Determines whether or not cakes will sometimes explode. (True by default)
SetFire: false - Will fire result from the explosion (False by default)
BreakBlocks: false - will block damage result from the explosion (False by default)
messages:
cake: '&D&OThe Cake is a lie!' - The message displayed when a cake appears.
cakeexplode: '&D&OThe cake lied!' - The message displayed when a cake explodes.

How to Install:
To install this plugin, place TheCakeLies.jar file into your Bukkit server's plugins folder and restart your server. Any changes done to the config.yml file take affect after you restart the server, reload the server, or do /tcl reload.
Official DevBukkit Page
http://dev.bukkit.org/bukkit-plugins/thecakelies/