The Minecraft mod properly. In my case with Optimine

The player is positioned in the virtual world Minecraft Maps and will explore the terrain and everything underneath like caves and ponds, and it hosts various biomes including jungles and deserts. Mobs are encountered through the entire game, which may be anything from hostile spiders and zombies to non-hostile animals including chickens and cows.

Before installing whichever mod you want, make sure to read everything the creator from the mod provides to ensure you understand how to install it said to both copy the mod files and delete the META-INF folder inside minecraft.jar archive. In order to do by using Windows, you'll need to be able to see hidden files, in addition to see and edit hidden file extensions. Once you have done that, you possibly can locate the mandatory files you should tinker with.
Read more   Zelda Phantom Hourglass Resource Pack  at minecraftio.com/zelda-phantom-hourglass-resource-pack/