One of the main problems with this tank looking 'sloppy' it is way overdue for a pruning. All those stem plants need to be more carefully tended, at least for the sake of their own health.
A java moss foreground would be nice and would be appreciated by your swordtails.
Personally, I would also remove the floating Pistia (?) or concentrate it into one corner. Even if it does aim to make the aquarium look natural, the plant is far too large for this size aquarium. Perhaps replace it with some Limnobium or Phyllanthus, if you really want to keep a floating plant as these are much smaller in size.
I hope others will chime in,
Carlos
A java moss foreground would be nice and would be appreciated by your swordtails.
Personally, I would also remove the floating Pistia (?) or concentrate it into one corner. Even if it does aim to make the aquarium look natural, the plant is far too large for this size aquarium. Perhaps replace it with some Limnobium or Phyllanthus, if you really want to keep a floating plant as these are much smaller in size.
I hope others will chime in,
Carlos