[DOWNLOAD] + Install Atum: Journey into the Sands + Forge API 1.5.1

Install Minecraft Forge API first, if you didn't made this step:
http://adf.ly/4184762/forge-api-151

Download the Atum: Joyrney into the Sands Mod:

http://adf.ly/4184762/atum-journey-into-the-sands-151

Drag it into your mods folder (.minecraft\mods)
Run minecraft and enjoy.