Login BackGround

I need to know how to change the login back ground from the stupid zombie mouth-hand dude, to the pic i have...

i downloaded the Beta Client from July '08, and took some images from in, and i put the pieces together and got the original login pic, of the guy with AT4 and L96, and i need to know how to make it my login background...

im dissapointed in you man.... an EXPERT member asking for something that ther IS A TUT FOR

http://www.mpgh.net/forum/210-combat...ackground.html

theres the tut, and BTW a guy with 30 posts made this... you should be able to find it..