Welcome this theme was made by Ron 'JESUSFREK' Daniels, it is a theme for the Yahoo Instant messeging program.
here is hhow you install:
1. Make a directory called gb in c:\program files\yahoo!\messenger\skins
2. Unzip the theme to there.
3.Login on your YIM, and click login, then select preferences, a small screen will pop up, on the side bar select appearnce( the third option).
4. Now select theme and select gb.
5. Your YIM is now GB YIM.
6. Have fun, for problems email jesusfreak4722@yahoo.com, more GB related skins are on the way including a GB2, RGB, EGB, and Slimer one. 
Also email me for requests/ comments.