As a liberal-progressive atheist it saddens me to see that the more progressive churches are losing membership as the more rigidly dogmatic churches increase their numbers.  

I have always had a warm spot for those theists who live the positive teachings while eschewing literalism and embracing the allegorical approach to the Bible.  I suppose part of the issue is that the more "spirit-filled" churches are unafraid to use worship services to elicit ecstatic states in the worshippers while insinuating them with a literalism that finds roots in the fundamentals movements of the late 19th and early 20th centuries in the United States.  

An approach that may work for the liberal-progressive churches could entail eliciting ecstasy in the worshippers without insinuation of literalism.  Literalism and ecstasy are not inseparable, and by showing that these states are not bound to literalism they may afford a path for people who are uncomfortable with fundamentalist dogma.