Sorry for the delay.. I guess I missed this message.
I'm not sure about the SQS mechanism. It doesn't sound like an API to me.
You could maybe develop a Bridge?
It's not as easy as it looks, building your own driver.
You can use the Nevado JMS provider for SQS. It's more than 80% JMS compliant, and you can trust it's stability, since it's got a gory level of unit testing for the portions of the spec it supports.