Info: 

Ore Tweaker is a really small well written utility mod with a jar size of less then 12KB that allows you to take control over the vanilla ore generator, You can disable and change the rules of how ores spawn. This is a awesome tool for map creators and modpack developers aswell as the regular Minecraft player. 

Configure: 

• Disable vanilla ore gen 
• Disable underground dirt,  gravel,  andesite,  granite and diorite
• Replace it with your own custom ore gen
• Minimum spawn level
• Maximum spawn level
• Minimum vein size
• Maximum vein size
• Spawn rate per chunk

How to use:

Install: 

1. Drop mod into your /mods folder
2. Run Minecraft with the mod in the folder
3. A config file for the mod should now be generated
4. Open the config named OreTweaker at /config with any text-editor

Disable Ores:

1. Find the ore you want to disable [Example: Diamond]
2. Set "Disable Diamond Ore" = true
3. Save config

Custom Ore Generation:

1. You MUST disable the vanilla ore generation before you can add an custom ore generation!
2. Find the ore you wanna add a custom world  generation to after you have disabled the vanilla ore generation for that ore [Example: Diamond]
3. Set "Custom OreGen: Diamond Ore"=true
4. Add a vein spawn rate
5. Add a maximum vein size
6. Add a minimum vein Size
7. Add a maximum spawn level (Y-Level / Height)
8. Add a minimum spawn level (Y-Level / Height)
9. Save config

Pictures:

I highly recommend using the mod along with my other mod World Stripper to easy see how the ores spawn and if they do so correctly: Click here for more info!

Want to do a modspotlight? 
Just send me a link to it afterwards and I put it up here at the modpage! 

Modpack: 
You (user of this mod) has my(EwyBoy's) permission to use this mod in any private & publicly distributed modpack.

Live development: 
The mod is being developed live at my twitch channel: http://www.twitch.tv/ewyboy 

You can find me on twitter:  
@EwyBoy