Available at GetShopped.org now, the fixed rate shipping module allows local and small businesses to charge with fixed shipping rates. Special and custom shipping options are available, including adding separate locations. As explained at GetShopped:
…for example if your business is located in Manhattan you may offer free shipping in Manhattan, but charge a little fee for the delivery in the rest of New York. Or if your business is in Italy you may want to charge extra for delivery to islands like Sicily and Sardinia.
You can download this plugin from the WordPress Plugin Directory. Keep in mind, you will need the WP e-Commerce plugin as well.
If you are a small or local business selling products online, you need to check this one out!