All skies except for those starting with tf_ are not done by me, most are cod4 skies converted to mw3. all credit goes to the original uploaders

//TUTORIAL\\
Go to the sky you wish to use
run the Copy.bat file
put the iwi files in the right .iwd\images
(check this tutorial, same thing: http://www.geocities.ws/gmzorz/christmas.html)

make sure you know that these files won't allow you to go in a game, they only work in theater!!!

if you don't have some iwd files, it's because you don't have the dlc
you can ignore these.