A new theme called Diffusion is added to Windows 7 Personalization Gallery. The theme is packed with total 13 HQ abstract design wallpapers and Garden sound scheme.

If you are running any premium edition of Windows 7, you can download and install immediately with a single click.
Download Diffusion Theme
Non-Windows 7 users can also extract and access its content. You can either use any archiver or simply walk through these steps in order to extract it.