Amy & Phillip's Amazing Aquaria
Amy and Phillip Pittman, who host an excellent freshwater site, share their Paludarium experiences. Included is a complete list of their fish, other critters, plants, and photos of their paludariums.
Paludarium and Green Water Bloom
A short discussion of algae in a paludarium, written by plant expert Karen Randall.
A good overview of what a paludarium is, by Kent Turner