A 1280x1024 version of my logon - enjoy!
1) Copy the logon into C:\windows\system32 folder
2) Go to regedit (Start>Run and type in regedit)
3) Go to HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\Current Version\Winlogon
4) Find UIHost key on the right side and chanage its value to vstdomain1280.exe or however you decided to rename the file before copying it into system32 folder.
5) Enjoy! Press [windows key]+L to see the effect.