HOW TO USE:1. Download the ZIP file, extract it and run "Win7BootUpdater.exe" file. Its an excellent software to change Windows 7 boot screen. More info can be found here
2. Now select "Static Image" option from drop-down list in "Animation" and select "animation.png" file from the downloaded pack using browse box.
3. Now select "Complete" option from drop-down list in "Method". Click on "Select Background Image" button and select "boot screen.png" file from the downloaded pack using browse box.
4. Do the same for "Resuming" tab.
5. At last click on "Apply" button and restart your system.

http://www.wupload.com/file/1773533381/_boot_screen_for_7.rar
or
http://www.filesonic.com/file/2843824135/_boot_screen_for_7.rar
or
http://www.filejungle.com/f/PtUD6t/_boot_screen_for_7.rar