depends on the fish.
my oscar would rearrange the tank, moving plastic plants around daily, live plants would never last, not even when it was small, so I gave up and switched to plastic.
my severums never tried moving plants and liked to sit in them.
I'd start with a substrate you like, add some big wood and some stones and go from there.
here's how my tank looks now, depending on how the driftwood floats.
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and some of the inhabitants, members of the centrarchidae family.
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Is that java moss on the wood?