I loved the challenges too! I remember the scrap challenge, and the piece that I made for it. I had been given a green quartz stone as a freebie from one of my suppliers, so I considered it my "scrap". I made this necklace and sold it a while later:
https://www.etsy.com/transaction/71178528I also remember the Fall challenge, and the necklace that I made for that one.
I am in for a Mother's Day challenge. I just listed a necklace, but I'll think of a new design too. Fun!