Its pretty simple, it makes your character jump automatically with having to hit the space bar over and over. I know, I know its pretty lame but i was bored.
Instructions:
1. Open Auto-Jumper
2. Start WOW
3. Press - on the Number pad to start Jumping and press + on the Number pad to stop jumping
DL: http://forum.cheatengine.org/download.php?id=33926
Credz to the dudes at CE