Ever wanted a cool skin for free? Well now you can! The only problem is, you're the only person that will be able to see it. But still, maybe it'll give you the extra edge in your games as a batman pantheon and many, many others.
Custom skins are NOT against the LoL T.o.S.
They have to be downloaded from third party websites.
They have to be installed into your game folders.
Now that I cleared that part up.
You can find the custom skins you want to download there.
If you don't want to do it manually, then here is a program that will automatically install the skins for you!
Automatic Skin Installer By Tsou
If you hate robots, then there is a guide to install custom skins manually.