For version 1.5.6, 1.5.5.X, 1.5.4.X, 22.214.171.124, 126.96.36.199, 188.8.131.52, 184.108.40.206, 220.127.116.11
This package includes an order total extension which let you add a fee for COD payments.
You can also disable fee with a minimum or maximum order total that you can set.
The fee can be set fixed or percentage of subtotal.
It is possibile add tax class to the fee too.
This extension is translated in English, Dutch(thanks Rik Dekker) and Slovak.