I didn't think of using glue and I should have. I have some glue that I use for raw edge machine applique and for attaching binding.
I've heard of the circles but haven't looked into it yet. I save those thin, hard cardboard pieces that come with charm packs and use them for templates.
I got 7 of the berries done tonight, maybe I can get it done tomorrow and get the rest of the top sewn together. :-P