Hi this is a Windows7 logonscreen for vista..U neeed to have logonvista to look like this and u need to replace basebrd.dll file...
3.Load the logon which is in the rar file
4.Take permission for basebrd.dll 4m c:\windows\branding\basebrd\basebrd.dll
5.Replace with the given dll
logout and see the changes
For the basebrd.dll the Credit goes to [link]
Hope u enjoy it....
U can even transform ur Vista into Windows7..here is the tutorial...[link]