+Ibtreerock and I got a little ahead of ourselves while we were waiting for people to join the group, so she let me be her 'guinea pig' and try the first two blocks. She has kindly allowed me to post them, now that everyone else has their fabrics and instructions. So here they are.
I found that since the fabrics were cut on the cross grain, they had quite a bit of stretch, and it was a little difficult to keep from stretching them as they were pieced. I have used freezer paper for most of the paper piecing I've done, and I ended up using it this time, too, since it has the advantage of holding at least one fabric 'steady' while you're applying the next strip. But even with the freezer paper, I found I had to sew carefully and guide the top fabric under the needle to prevent shifting.
Slow and steady wins this race. Also heed the advice and use very small stitches. Also recommend when removing paper backing, to tear from the middle of the block outward--this will prevent the stitches at the edges from pulling quite so loose. A cure for this would be to make them all at least 1/2-1" longer than they need to be at either edge, so that you can later trim back to where stitches are tighter.
I can't wait to see what the rest of you produce! And I'm really excited that one of my TB groups is finally taking off!
P.S. Did I forget to mention how much I enjoyed Kathy's color choices and variety? I think this quilt will be like a kaleidoscope when it is done! :-)