this is what i made for my girlfriend.
20x15x15cm
10 watts fluorescent light
anubias nana
java moss
3 ramshorn snails
5 red cherry shrimps
after 1 month
moss growth, with some hitchhiker pelia
there's absolutely no water movement. i got lots of problems during the 1st week. slimy water surface and tank walls. 75% water changed twice a week during this period, after that once a week.