An ajax currency conversion widget to let your visitors convert currency amounts on the fly (powered by Google Finance).
To install WP Currency Converter:
To use this plugin, configure your currency lists in the Settings -> WP Currency Converter menu.
Now drag the widget to your desired sidebar and enjoy.
You can also use the Shortcode option, for example: [wpcc title="Currency Converter" pretool_paragraph="Try this handy currency converter tool:" from_default=USD to_default=AUD]
Minimal styling is included so you can make it look as fancy as you like and match your shopping cart experience.