I love this forum, because we can ask questions. You have gotten excellent advice already. I don't think it is mean to train their ears. I do think it is awful to dock their tails, I know that hurts. I wish AKC would let us show them with a beautiful full tail. Anyway that is another post all together.
I shaved Ginny's ears front and back past the fold. I used a paper plate to make a V shaped paper ear. I put that on the inside of the ear and used false eyelash glue to stick the pattern to the ear. It did not work all that well. Another Video said to use ordinary scotch tape, I tried that and it worked fine. I did it for 6 days. Ginny's ears stood up perfectly. I changed the tape every day, although the video said every other day. Another friend used the plastic breath right strip, cut in half and simply put it on the inside of her dogs shave ear. That worked too, she did it for 3 days. Check out the threads about ear taping. There are several methods and videos, I am sure one will work for you.
I do think floppy ears are cute too. My first Yorkie had floppy ears and I thought he was perfect all 9 pounds of him.