Just found a little bug when testing out my cart.

When using the canada post shipping module with the beanstream gateway you can run into the error (when submitting an order):

Shipping method must be less than 64 characters
- Your credit card could not be authorized for this reason. Please correct the information and try again or contact us for further assistance.

Currently the shipping method (that was chosen) is:
Canada Post (1 box(es) to be shipped) (Expedited US Commercial, 2009-09-28).

In order to resolve this issue I had to change the file: "/includes/languages/english/modules/shipping/canadapost.php"
So that the line:

define('MODULE_SHIPPING_PACKAGING_RESULTS', ' box(es) to be shipped');

is now:

define('MODULE_SHIPPING_PACKAGING_RESULTS', ' box(es)');

Anyways just thought I would mention this bug - I guess it's more of a bug with beanstream than the module... I didn't update the Canada Post module as I figure this is a small issue and I'd rather someone who did work on it update it.

Hope this helps someone.