For all age worship, the brick testament is great. It provides slides (jpegs) containing the verses of scripture and pictures that relate to a particular bible story.
alternativeworship.org
If you're feeling a bit fed up with the Sunday status quo, then alternativeworship.org is a quality place to start. It has some great articles by novices, tips for new comers and a directory for seekers.
Worship Tricks
Jonny Baker belongs to grace, a new(ish) church community based at St Mary's, Ealing. As well as writing a fine blog Jonny also compiles some great ideas (aka tricks) for worship.