A couple custom architecture themes for Windows 7, which are quite rare. Post your own Windows 7 themes to complete this list!
1. Nightfall Theme for Windows 7
A simple theme for Windows 7.
2. Mac Themes: Find Your Style
Mac inspired theme with architecture wallpaper.
3. Tyro Visual Style
The author is new to making visual styles for Windows 7, but this creation already looks promising.
4. Cuba: Into the Past VI
Beacon in Cuba.
5. Architecture Windows 7 Themes: Urban Simplicity
One of the best architecture themes with a stunning wallpaper.
Beautiful Desktop Screenshot
An illustration of what you can do with AveDesk
I used AveDesk (BuuF retail package) for the top left icons. The visual style is a Windows classic.