Blender + Cycles + python + PS
Pity they fly in every direction (sideways, in reverse etc) and not just forward. Also, it looks like the wing have the same texture at top and bottom side, while in reality the Peacock Butterfly’s bottom side looks completely different:
Finally, the wings flap way too slow to look natural.
Don’t get me wrong: I like the effect and it’s pretty cool you achieved this by coding Python, but if your goal is realism there’s a lot of room for improvement.