I brought in my DH, the artist, to help with this one. He says this next one would be his choice, because of the rusty brown flowers that pick up colors in the rest of the piece. It has tiny blue flowers, too, but you don't notice that when it's on the quilt, however, it also has brown and beige flowers and some tiny green in the leaves on the vines, so it pulls out most of the quilt colors in this one square.
Here is a close up of what is there now, which he says draws the eye into the center, like it's a hole in the quilt:
ETA: Yup, I like it. I think I'll use this one with the brown and beige flowers and the criss cross vines. I found a backing fabric for it and have enough batting, so as soon as I get this center block fixed, I'm off to the races quilting it. Should be done in a week's time, I think, barring other issues I have to deal with elsewhere.
Edited by speckledhen - 2/8/12 at 5:05pm