Like many churches in the States, we had a youth Sunday on the 5th Sunday in April. Our Youth did a great job with dramas, singing, praying, music, taking offering, Bible reading, and just having a fun time with it. With this Stephen had the opportunity to preach. I think he did a great job. You can actually listen and watch him in action during the sermon following this link to iTunes. His topic was Sanctification.
You could also listen to the whole youth service complete with songs from this link.