Customize Windows logon screen?

To change your background on windows log-on screen you need to follow following simple steps------
Mannual-----

1. At first you have to select an image whose size is less than 245 Kb.(you can use image editors to change the size of your image.)
2. Copy the image (less than 245 Kb) & paste it to  C:\Windows\System32\oobe\info\Backgrounds 
3. Cut the existing jpg named backgroundDefault & paste it to another place then "click to rename that image" copy the name of that image.
4. Rename your image in C:\Windows\System32\oobe\info\Backgrounds by pasting.(sometimes direct renaming does not work in this trick.)
5. Now open regedit in RUN, then open HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Authentication\
   LogonUI\Background click on OEMBackground & set its value as 1.
6. Now log-off your user-account & your login with your new login screen.

By Software-----

   for software download ---- click here

      http://download.cnet.com/3001-2072_4-10971736.html?spi=8fbccbfa944eaf20823e465dbcdc1f6a

For more useful working tricks follow--- http://tipstricksforwindows.blogspot.com/ & share it with your friends.