I didn't know about Ads until many years later, so Series 2 was all "original" to me.
Me too. Also, I don’t think it’s fair to lump all of the reused titles together. Many of them feature much improved art, though many also lack characters because the bulk of the art was on the larger billboard.
I know I’m in the minority, but I was equally fascinated by wackys with realistic product art even if they had no characters and were not funny. I would have enjoyed wackys even if they were serious depictions of the original products as long as Saunders was doing the art.