Uh, ok, I'm not sure what you mean so please don't be offended if I've misunderstood, but let me try and be clearer.
CoFH is a team that makes mods - Thermal Expansion is probably what they're best known for, but they have other mods. One, part of the CoFH Core mods, is capable of taking all the different ores from different mods and combining them into a single system for world generation so you don't just get ores in other ores all over the place.
It's got a bunch of controls about what ores it spawns where, this is stored in a config file called WorldCustomGen.TXT in The Attack Of The B-Team modpack. Changing settings in there lets you determine what ores will spawn where. This will allow you to have 'Crazy Ore Generation' (I'm not quite sure what you mean by that either, but I assumed you just meant like the B-Team ore generation).