Is it done?

Scaped this 20 long a couple/few weeks ago. Slowly been adding plants since. I think I might be done with it? Would you add anything? And any suggestions on stocking, cause I’m not sure of what to put in.

Scaped this 20 long a couple/few weeks ago. Slowly been adding plants since. I think I might be done with it? Would you add anything? And any suggestions on stocking, cause I’m not sure of what to put in.