How to change wallpaper of the windows xp welcome screen?

I have tried it in regedit and also tweak ui but I've only changed the color of background. How can I change it completely or customize it?

Tnx!How to change wallpaper of the windows xp welcome screen?
go to wincustomize.com

go to logonstudio and follow instructions

theres a program that does it for u there

follow the advise of

is there a lestateboomover