Haven't seen a magic lantern thread...but if you don't have it..try it out..
Here are the sites I used.
Step 1. Make sure your up to date on your canon firmware.
Step 3. Copy the files on the memory card and install the newest build.
This setup is very helpful and allows you to turn off the automatic gain control. I just started using it today and it seems like it will help a ton!
*NOTE PLEASE DO RESEARCH YOURSELF. I AM JUST SUPPLYING THE LINKS. IF YOU MESS YOUR CAMERA UP, IT'S NOT MY FAULT. THAT'S ON YOU HOMEBOY.