A relatively oldie ( 2011 ) but a goodie: -
This WebSphere Support Technical Exchange is designed to show you how to get the WebSphere MQ and JMS Messaging Bindings to work with WebSphere Enterprise Service Bus (WESB), including how to test them to demonstrate that they are working correctly.
This is a nice tutorial showing one how to setup MQ and create a simple SCA module. Although this was written for WebSphere Integration Developer ( now IBM Integration Designer ) and WebSphere Process Server ( now IBM Business Process Manager ), the core content is still extremely relevant.
Go on, check it out, you know you want to