Download the following file Thinkin' logon transform.zip
Now you know what - unzip it.
In the folder double click on the file Thinkin' logon
Wow! and logoff to see the change.
If you want to switch to the XP default logon screen double click on Reset Defaults in the same folder.
And that's all for now. I can get you pretty logon screens later.
Let me go study some smelly electrical engineering.