Pam’s Mushroom Spawn Mod adds giant red and brown mushroom spawns across several biomes.  Change their frequency in the config file.

http://www.img.9minecraft.net/Mods/Pams-Mushroom-Spawn-Mod.jpg

Block IDs: None, Item IDs: None, Config File: Yes

Installation:

  • Download and install the latest version of Minecraft Forge.
  • Download and place mod ZIP files in the /mod/ directory of your /Minecraft/ folder.  Done.

Download Links for Pam’s Mushroom Spawn Mod:

http://www.dl.9minecraft.net/index.php?act=dl&id=1356436940