I will do some research for types of wood I can use. I can look online for artificial too. I will set my sights on 8 Glowlights, 8 Neons, and maybe 8 Panda Cory Cats. You mentioned I could maybe have another species for the top but this looks maxed out inch of fish wise, to me. Feel free to suggest any other combos you think may work for me. Thanks!
Wood: hardwood is usually safe. Oak, beech, maple. Avoid softwoods and conifers (cedar, pine, spruce, fir, etc). They must be collected when completely dead and dry, dry meaning devoid of natural sap. Branches are much easier and safer than larger chunks of wood for this reason. I picked up some oak branches this week in my back yard; when you snap the thick end they break apart because the wood is completely dead and dry.
You've space for several more species. The "inch per gallon" type guides are sometimes helpful so people that don't know will not overload the tank, but there is much more in the equation that simply fish mass to water volume. I believe I went into some of this previously in this thread. Sedate fish (non-active swimming) have less impact than active fish. It may seem odd, but having lots of branches will allow you more fish; this is because you will be providing the proper environment for these types of fish and that means less stress on the fish and that equates to less impact on the biological system.
Thinking of upper level fish, hatchetfish come to mind, and the "silver" species (
Gasteropelecus sternicla) should be fine in your water.
http://www.seriouslyfish.com/species/gasteropelecus-sternicla/
Pencilfish are ideally suited to this sort of tank with branches, but most will be wild caught and delicate, but one exception is
Nannostomus eques which is being commercially raised.
http://www.seriouslyfish.com/species/nannostomus-eques/
A fish quite similar to the above pencil is the Penguin Tetra. Because of an initial confusion over taxonomy, the most commonly seen "Pengin Tetra" is actually the False Penguin Tetra.
http://www.seriouslyfish.com/species/thayeria-boehlkei/
All of the above in groups of 9+ and I wouldn't add all three but you could do well with the hatchetfish and the pencil, or hatchet and Penguin; not pencil and penguin simply because they are so similar.
Byron.