Carla Barrett has some swirly designs that would be perfect in the sashings and maybe you could use a batting that doesn't require close quilting so you don't have to do anything within the cross-stitched blocks. If not, maybe just a simple circle around the embroidery in each.
http://featheredfibers.files.wordpre...d-berries1.jpg
http://featheredfibers.files.wordpre...nd-sashing.jpg