Thanks Anne for posting this info--it's so interesting and we appreciate you taking the time to share it.
Mirabelle, I also did a substitute block for the sail boat. I made the block; it just stuck out like a sore thumb. I needed some ponies in my Pony Quilt so did a block that showed them off. Still not sure about the mishmash of block styles I have going but at least I'll know it's mine LOL.