This video demonstrates how to develop WS-AT applications and how to deploy them to OpenShift. The quickstart is designed to be a starting point and as a result is kept very simple.
openshift.redhat.com - Visit this URL to sign up for a free Openshift account.
jboss.org/jbossas/downloads/ - Here you can download the latest version of JBoss AS and the corresponding quickstarts
jboss.org/jbosstm - This is the home of the JBossTS project. Here you can download the XTS demonstrator which provides a more complete example of how to use WS-AT.