>>12296267Tons and tons of practice dear anon, practice from life; people,objects, animals etc.
You can also copy other artists and learn from their work.
Tracing is okay if you are practicing but just for practicing and don't rely on it too much it's not too fun as well.
Also bucket settings try
>Detection Mode: Transparency (strict)>Target: All imageShould work just fine make sure the layer below is transparent