I have a Helvola mini waterlily to trade for another mini or tropical water lily (prefer a blue).
Helvola makes an awesome container plant , the flowers are about the size of a quarter but I have had some a bit larger.
The plant is in a 4 inch pot right now ( I divided them a week ago).
If you don't have a waterlily let me know what you do have I might be swayed by the right thing.
I'd love some but don't have any aquatic plants .. you don't have anything on your want list .. what sort of plants are you looking for? I have a very eclectic collection from unusual to beautiful to really weird.