Well...it depends on what your long-term goals are for the tank. Are you interested in a FOWLR
or a reef? It will make a difference in fish selection. While a 29 does not offer a ton of realestate for fish, you have some great options non-the-less. I would suggest looking at a dwarf angel (flame, coral beauty, lemonpeel), royal gramma, firefish, a few chromis, a pair of true or false percs to name a few. First decide what type of tank you want and build your fish list around that.