I found a little 50 liter fishtank at a garage sale on Saturday, it has a Biofilter in the hood and had a heater and light as well. All for the small sum of 15 AUD . Ihave planted it out and have a couple of bits of driftwood.
As yet I havent put any fish in, I am waiting for a month or so to give the plants and bio filter a chance to establish, I put some water from a mates tank in it to get the healthy oranisims for the filter. As there are no fish in there it means no food for the plants so I have fertilised the tank with seaweed fertiliser. I am hoping this will get algae and plants growing well.
All going well the plants will be enough to control the ammonia when the fish go in, I havent got any photos yet but once it has settled down and the tank clears up I will take some then.