Here is a collection of Windows 7 Themes. All of following Windows 7 themes are available for free so download, apply and change the old look of your computer screen with new one. You may also checkout some other collections of Windows 7 themes by clicking on following integrated links.
Nice Mac OS X Leopard style aero theme for Windows 7
Black Horizon Xtreme
Black Windows 7 theme for those who like dark colors
Aero for Win7
A fresh look Windows 7 aero theme