This modification is designed to replace static textures for the default GUI of the main menu. Now all elements will change to random block textures from different vanilla worlds. It is quite unusual to see red Nether blocks or completely gray options. You can configure this in the settings menu or leave it unchanged to see random options every time you enter the game.
How to install Custom Backgrounds
- Download and install Forge
- Download mod
- Do not unzip it, copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods