Transcendantal theme for Windows 7 is dark, compact and sqaured theme developed for Windows 7 OS. Screenshot, theme download link and instructions on how to install Transcendantal Dark Theme for Windows 7 are given below:

Transcendantal Dark Theme for Windows 7
How to install Transcendantal Dark Theme on Windows 7
- Download the Transcendantal Dark Theme for Windows 7
- Extract theme files to C:WindowsresourcesThemes folder.
- Click on Transcendantal big.theme or Transcendantal little.theme file
- You can also enable this theme from “Personnalize” feature of Windows 7
- Install the 4 system files (x86 or x64): explorerframe.dll shell32, explorer.exe and timedatecpl
- Restart your PC and enjoy
- Use this theme with AeroBar.exe: a little application which allows you to add the title of your folder in explorer – excellent for bottom shellstyle user (works also for the top shell user )
More details and comments from author of the theme are here.