What am I missing.

MCPC+ 965
TerrainControl for 1.6.4

bukkit.yml & spigot.yml
worlds:
world:
generator: TerrainControl

Nice little 1k by 1k map.png
FillEmpty 500 -500
Hex values set [Matched with BiomeConfigs]
FromImage

Default Generation.............................

ICEisland-01.png http://i57.tinypic.com/2nqbedi.png [Hex fine]
World.log http://pastebin.com/3vTqDaT5 [TerrainControl starts up]
WorldConfig http://pastebin.com/43pdVXRU [Set to load ICEisland-01.png]

Result: http://i58.tinypic.com/qs1noh.png
http://i60.tinypic.com/15donwg.png

ICEisland-01.png in same directory in WorldConfig && TerrainControl plugin directory

The best build for 1.6.4 MCPC+ is this one:

http://mctcp.com:8900/job/TerrainControl/52/com.khorn.terraincontrol$terraincontrol-release/

Anyways, I'm not going to debug this issue. 1.6.4 is old and you're running a bunch of mods that can all conflict with Terrain Control.