Can someone help me out with this.  Running Windows XP and I set a
desktop wallpaper by opening up an image via IE and doing the right
click and 'Set as Desktop',  What I want to do is have one image setup
for my wallpaper but when I hit ctrl-alt-delete another image comes up
for the wallpaper.

I have seen this done with Windows 2000 but not sure how it was done.
I did see a registry hack for changing the wallpaper for the logon
screen before anyone logs on, but did not try that yet.

If there is not an easy way in Windows to do this, any 3rd party
program will do (Freeware preferred)

TIA