The younger deals with the world by hugging it. It helped me to understand way they were so antagonistic, and it helped them to understand the other's point of view. If folks are uncomfortable with lots of auditory input, you probably want to add more visuals. And these visuals don't just have to be high tech. There are many, many ways to enhance the visual aspects of worship.
Flowers are an old favorite.
Candles are always appropriate. Just as the good can do wonders, the bad can really destroy the experience. So the old quality vs. quantity definitely holds true for visual images.