LogonStudio is a program that allows you to change the look of the Windows logon/welcome screen. It also contains a simple GUI editor, and the ability to import other formats of logon (bare logonui.exe files). LogonStudio is completely free to use. For ...
Try the WinCustomize logons library . Links: ------  http://www.wincustomize.com/skins.asp?library=26
Unfortunately, due to the way Windows works, LogonStudio is unable to work on a domain.
When this happens, click load again, and browse inside the LogonStudio directory for a folder with the same name. Open that folder, and click the file inside. The Logon should now appear in the list.
Go to c:windowsSystem32oobeinfobackgrounds Change the name of backgroundDefault.jpg to backgroundDefault.jpg.bak Try to use LogonStudio again.