The altar sits at the heart of the worship space, reminding everyone that here is where we lift our hearts up to God. Often the altar is decorated, but almost always in the same way: with flowers, candles, or a cross. But what if the altar could be made a more integral part of the worship experience? What if the visual elements on the altar could be designed to fit in with that Sunday's scriptures, hymns, prayers, and sermon? And what if it could...