Change Windows Logon Screen

Do Hate Windows 7 Logon Screen Background Or You Want to Have a Special Background Here's The a Very Simple Way to Solve This Problem Follow The Steps:
1- Download The Following App.  From This Link http://www.julien-manici.com/windows_7_logon_background_changer

2- Open Up The App.

3- You Will Find The Default Background and You All The Available Background You Have.
4- Try The Background You Like Before You  Chose It (Like This Image)

                                        

5- If You Like The Look Of Your Screen Background Then Chose

Have Fun With The New Windows 7 Logon Background You Like