kevin's tutorial sgtarted me off. yes it did need a bit of work but it was worth it in the end.
here is a little more advanced tutorial i have roughly put together. the website (or glorified txt file) is at http://www.geocities.com/haytona/reltut it is about relationships between CMP1.1 entity beans. i have tested it on jboss 2.4.4 but not any higher.
hope this helps.
p.s. email me if you want any more help at haytona_at_yahoo.com