Actually, an even easier way... get your flags 'ere: e.g., http://opencountrycodes.appspot.com/gb.png
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Actually, an even easier way... get your flags 'ere: e.g., http://opencountrycodes.appspot.com/gb.png