In my experience one of the first things that people drop when they think about alt. worship is the sacramental aspects of worship. That said, there are some services such as Visions in York that engage in sacramental alt. worship.
Often resources for alt. worship do not facilitate the sacramental. This is where my wife comes into the story. She stumbled upon a site called Tabled.
Tabled.ca is a collection of creative communion installations created with the hope of capturing the imagination and exploring the beauty and gravity of the Eucharist. Birthed within community, this group will be added to as creativity and purpose allows.
Their imagery is stunning and their ideas are very creative.
C.S. Lewis once said that what the church needs is not better arguments, but better metaphors.
Jesus gave us some wonderful metaphors, lets use them!