Place cards and favors in mini pots of moss. Covered with a glass, each looks like a mini terrarium. Fill a 1 terra-cotta pot with moss, insert twig in center, and glue a name tag to twig. Cover with a glass, which can be used for drinks.
Tea lights set in mason jars: I like this idea combined with frosted mason jars which is just a simple spray can. Place multiple jars at each table. We can get mason jars of all differing sizes at Goodwills in the area.