Changelog:
Major.Minor.Release.Build.(Spout Specific)
1.6.5.1 - Various commands for debugging added in, Engine Mode 4 starts out with two stone blocks before iron ore starts now, world edit compass teleports and etc. issues fixed

1.6.4.4 - Added a config to disable the obfuscater for ops, as some administraters have asked for

1.6.2.2.4 - Now works with Spout 1.0.1 and most Dev versions, fixed some errors

1.6.2.2 - Fixed ores not updating when the block removal event is cancelled

1.6.1.6 - hidechests config added for all engines, Mode 3 deprecated, fixed residual lighting bug

1.5.1.3 - Speedups, more threading

1.4.3.8 - Fixed stone turning into ore as you mine. The server was sending MapChunk updates whenever lighting changed. Engine Mode 4 is now the default mode.

1.4.2.7 - Removed a debug code that was messing up mode 3.

1.4.1.6 - Completely changed edge of chunk handling, works amazingly better in all engine modes. Fixed Ore Radius visual issue, default and recommended values are 2 now.

1.3.1.1 - Confirmed to work with CB 1000. Added Engine Mode 5 based off of Borch's random ore replacement. Block update forcing on explosions has been added and can be turned on or off. Ore updates can now be sent in a configurable radius to work better for players with bad connections.

1.2.2.9 - Fixed issue with Mode 4 that made stone constructions appear as ore. Fixed adjacent blocks popping off.

1.2.1.5 - Added transparent block ids to the config file (run once at it will be added). Engine mode 4 added, turns all stone and ores without adjacent blocks into iron ore above height 20 and diamond ore below

1.1.2.3 - Signs/Torches/Buttons/Levers/Mushrooms/Flowers are counted as transparent blocks now

1.1.1.2 - Added an engine mode config, and a new engine mode that hides all ores regardless of adjacent blocks

1.0.2.4 - Fixed a math error related to the edges of chunks

1.0.1.3 - First Public Release

Installation:
This is the Spout version of the plugin. If you are running Spout, simply add it to your plugins folder. Else, download the version of the plugin for regular bukkit servers.

The default ore obfuscation engine is recommended, but you can change which one in the config at \plugins\RawcriticsOreObfuscationPlugin\oo-engine-mode.txt  - Also contains information on the different types

The latest version will always be available from http://www.rawcritics.com/minecraft/files/tyr/downloadtracker.php?file=Tyr_Ore_Obfuscation_Spout.zip