If i can give an advice : stop using paint or paint.net for making flags.
The ones you make are too pixellised, not enough cleaned of color remains, and the difference of quality between pictures you copy/paste is not really good.
You should use inkscape or gimp.
The ones you make are too pixellised, not enough cleaned of color remains, and the difference of quality between pictures you copy/paste is not really good.
You should use inkscape or gimp.