Here is some more information that I found really helpful. I just figured I'd post it here in case anyone needed it. The first is a great article by Karen Randall, and the second is a great (silent) video about planting.
http://www.aquarticles.com/articles/plants/randall_Setting up.html
http://www.youtube.com/watch?v=44cDbR2YvK4&feature=player_embedded
http://www.aquarticles.com/articles/plants/randall_Setting up.html
http://www.youtube.com/watch?v=44cDbR2YvK4&feature=player_embedded