Hi there... This thread is great. You make easier puting 6th gen Pokemon to Pokemon RSE/FRLG. I gona help you. For now. I give you Kalos Pokemon sprites from POKEMON RUBY RENEV HACK. In there I add some of them to catch. And this sprites is directly from my game <I have also Noibat and Noivern... But I can't redone Shiny Colour>
I hope that I help you by this sprites.