So yeah, i've been working really hard on this widget and finally got it to a point where it was ready to submit to Yahoo. This is version 4 - even though the picture on the website is lame and is still showing version 1. Version 4 - includes the ability to search for a location (in the US) by ZIP or City, State. It also includes the calendar of sunrise/sunsets for your location. This is what the latest version looks like.
You can use this little badge to download the widget.