Windows 7 has included some specialized themes, wallpapers, RSS feeds and favorite links for Windows 7 users in some regions or countries. The themes and wallpapers are hidden by default in a Globalization\MCT folders. Out of these extra freebies, the themes and wallpapers are the most attractive to many. Not all themes and wallpapers are included in all versions or localized language editions of Windows 7 though.

For example, English version of Windows 7 ISO contains only themes and wallpapers for Australia, Canada, South Africa, Great Britain (UK or England), United States of America), while Japanese and German edition of Windows 7 has Japan and Germany theme and wallpapers respectively.

Marc has emailed a collection of all Windows 7 regional themes and wallpapers that available so far. For interested people, the regional themes and wallpapers for Windows 7 can be downloaded here.

Australia: MCT-AU.zip
Canada: MCT-CA.zip
Germany: MCT-DE.zip
Japan: MCT-JP.zip
South Africa: MCT-ZA.zip
United Kingdom (Great Britain): MCT-GB.zip
United States of America (USA): MCT-US.zip

Note: The regional themes and wallpapers for Australia, Canada and South Africa is the same.

Extract the content of the C:\Windows\Globalization\MCT folder, and then use the registry hack to enable regional themes and link regional wallpapers, or straight away apply and unhide the regional theme. See pictures below for a preview of the wallpapers for each regions.

Regional Themes and Wallpapers for Australia, Canada and South Africa
Regional Themes and Wallpapers for Australia, Canada and South Africa

Regional Themes and Wallpapers for Germany
Regional Themes and Wallpapers for Germany

Regional Themes and Wallpapers for Great Britain
Regional Themes and Wallpapers for Great Britain

Regional Themes and Wallpapers for Japan
Regional Themes and Wallpapers for Japan

Regional Themes and Wallpapers for USA
Regional Themes and Wallpapers for USA

Now, there are more countries (20 to be exact) regional wallpapers from Windows 7 available for free download.