Thinking of y'all, I exported the image to a Photoshop document. That was 3.85MB. So I did the whole thing again in Photoshop, saved it, and that was 7MB. Yes, I could have zipped them, but that's not the paint.
SO, here is my original source, a Paint Shop Pro file.
Welcome to corz.org!
Bugs? What bugs? Juggling two energetic boys (of very different ages) on Coronavirus lockdown, I'm unlikely to have them all fixed any time soon. Mail me! to prioritise!