This is another Creation by me, this time I chosen Windows 7 Wallpapers by Redmond Pie. I have created Login screen in 5 Flavors i.e Black, Blue, Green, orange & yellow.

So, here we start:

1.) Black Flavor:



Download Black login Screen from here

2.) Blue Flavor:



Download Blue login Screen from here

3.) Green Flavor:



Download Green login Screen from here

4.) Orange Flavor:



Download Orange login Screen from here

5.) Yellow Flavor:




Download Yellow login Screen from here

Download All Above 5 login Screen in Single package

How to install this logon Screen?
1.) Go to C:\windows\resources.
2.) Create a New Folder with Name “Logon” as C:\windows\resources\logon\.
3.) Now Navigate to Downloaded Logon Package, there is 2 options i.e widescreen & normal (Choose on your wish).
4.) Copy Setup.reg & LogonUI.exe to C:\windows\resources\logon\
5.) Once Copied, Click on Setup.reg to install the logon Screen.
Just Reboot or Log Off for take Effect!

Source: Tweaking Windows