Greg Epstein, the Humanist Chaplin at Harvard, published some advice to Obama (and McCain, though he admits the Republicans wouldn't bother to listen). I like Greg and his down-to-earth, practical stance on things. He doesn't jump immediately into slamming religion, but looks at America as a melting pot, with respect to religion as well as race; and purports that humanists and atheists need to be part of that melting pot.
The article is worth a read, check it out here.