This is more of a business-type blog, but Creating Passionate Users has plenty of lessons for the church as well. Jonathan Blundell points us to and expands on their entries on people not caring if you’re the best and reverse-engineering passion (I also love Jonathan’s rant on Burger King’s “Have it your way” slogan).
Also, effective web minstry notes points to their entry on skateboard design, encouraging people to check out skateboard shops for inspiring design. I’m a little hesitant to encourage churches to check out skateboard shops, as I think youth groups borrow more than enough of that imagery, but the idea is there: Find sources of inspiration and learn from them, and know your audience.