Hi Ownedcore
I found this awesome program, no need to do much for it to work just run as admin and select the skin you want.
it wont show on loading screen.
30-04-2013 Lissandra Patch https://i.imgur.com/wyvFraN.jpg
Virus scan for the ladies :
Virustotal
I didnt make this
Original Website
http://www.lolskins.net/