Use mostly deep rooted plants in pots of gravel, with driftwood and mossy rockpiles around them, then floor the rest of the tank in Sand and get 8 or 12 Skunk Loaches. Hours of entertainment.
* 7 striped Loaches, and two Schools of Danios, Tetras, Rasboras, or Minnows of your choice..
* 4 Moonlight Gouramis, an SAE, 7 Black Ruby Barbs, 7 Kuhli Loaches, 5 Bamboo Shrimp.
* 5 Yoyo Loaches, 12 Tiger Barbs or Red Eye Tetras.
* All Catfish: Porthole, Upside Down, Glass, Corys, maybe some Hoplos, Banjos, or Raphaels.
* 2 Bristlenosed Plecos, 2 Angelfish, 5 Cories, 3 Dwarf Platies, 6 hatchetfish, 6 Emperor Tetras.
* 2 African Butterfly Fish, 2 Leopard Ctenopomae, 1 Senegal Bichir, 6 to 8 Congo Tetras.
* Breeding pair of Firemouth Cichlids and 3 Swordtails as Dithers/Food Factories
* Three Spiny Eels - If the tank is well planted and they feel secure, they'll spend more time hanging out in the plants than the sand.
* Set up a river tank with White Clouds, Pearl Danios, Hillstream Loaches and/or bulldog plecos. There may be some Cories or other loaches that would fit in this nicely.