if you want to add more plants, try finding some broad-leafed variaties. like a sword, if you have a big enoguh tank, or anubias or crypts for a smaller tank.
50gal planted - yoyo loaches, BNs, odessa barbs, giant danios
33gal planted - praecox rainbows, gold ram, bolivian rams, sparkling gouramis, licorice gouramis, lots of shrimp
2 x 5gal planted - bettas