Dresdan Quilt

This is a picture of one of the Dresdan Quilt blocks started last year - and hopefully finish this year.  It's pretty wierd for anyone in MN to say this, but winter ended abruptly and early last year, so curtailed my projects.

I am big on browns, carmels, etc and also on monocromatic color schemes.  So am trying to figure out what kind of a center will work the best for this project.  There are about 20 different fabrics used in all of the blocks and each one is a little different.  10 fabrics are used in each block.

The pattern came from  Boutique NutMeg Designs - here is the link http://boutiquenutmegdesigns.blogspot.com/2009/12/dresden-plate-quilting-photo-tutorial.html

I loved her color combinations.  I did wimp out and sewed my dresdans onto the block by hand, but I think it would have worked just fine to use a small zigzag to attach as well.  I am thinking of the fabric in the 10 o'clock and 4 o'clock position as the binding.  Also going to add a 2" sashing to each block using the same materials in the blocks. 

Any ideas for centers are welcome.