Plants were in amazing form. Just like the rockwork, it's better to stick with a single sort of plant. Ten good high quality plastic plants of the exact same type may look very good, but ten distinct species just resembles a jumble.
These are aquariums. This is the art of a aquascaping. - I think this is an absolutely beautiful way of showing a landscape in a way and think it would make for some really good focal points or even conversation starters