Can I use 2CheckOut 2CO Payment Gateway with Zen Cart ?

Question:
I want to make use of 2CO, - 2CO says: "any shopping cart compatible with the Authorize.net parameter set, provided that it allows you to change the gateway URL"
Can I use 2CO with Zen Cart ?

Answer:
There is a community-contributed addon for 2CO to work with Zen Cart.  You can find it discussed in the Support Forum.  It can be downloaded from the main Downloads area.