Sry its been 6 months almost, i have forgoten to add images of the world......
reposting so people see this marvelous Cave World Generation
There is a little bug with the water level and ore levels not going higher then 128 (trying to fix it)
its a 256 World With very Natural Cave Formations in All Levels...
Here it is
Use the Custom Biome with this World Config File for compatibility on my settings.
World Config Changes: http://pastebin.com/KDQcjSSU
This is the Custom Biome Config File Used for the creation of my Cave World
This is the Biome Config File Changes : http://pastebin.com/zeRWieeR