The looks of the widget are highly customizable. Want it neutral? -flashy? -rounded? -practically invisible? -in your favorite color? It is your choice.
Weather data is provided by www.yr.no/ .
After installation a new application will *not* appear in the app-drawer. Instead a new widget will become available in the widget section of the launcher. Check out the linked video, it shows the setup of the widget.
If you love this widget, show some kindness to your friends and share it with them, they may love it too.