*blush*
That was my suggestion ... I'm honoured .... and *whew* I like the results!
My thoughts right now would be sew it up and get a good look at it when it's all together, as it'll be tied together more and you'll have a better idea. I think it definitely needs something to frame up all the different borders, though I'm not sure what.
Start with some of the fabrics already in the quilt ... I'm having a hard time "seeing" what colours the fabrics are that you already have used, so I'm not sure if these ideas would work or not. My first thoughts would be the ribbon or border of the middle one on the 2nd row or perhaps the Angel's dress or the border for the middle one in the 3rd row. I'm zeroing in on those two blocks, as they are further from the outside border, rather than right against it!
As usual ... audition a bunch and see what looks right. And I'll look forward to seeing what results!