If you get a couple of root tabs for it, A sword species of plant such as an Amazon sword, or a melon sword would add some nice scape for one of the corners.
Amazon sword can out grow a 29G tank. Crypts would be better for a small tank. Some have a bronze color. Lilly bulbs add color too. API root tabs are the best for crypts. They are cheapest at LNT, which charges 0 for shipping.
Your bulb is fine for the plants you have, low light