I just recently finished up a panel quilt that I did round robin style. I added different styles of pieced borders I designed. In places I put simple strips of fabrics for borders to get it up the the measurements I needed for my pieced borders.
Here is a link to pictures I posted of the one I did.
http://www.quiltingboard.com/picture...g-t176585.html
Edited to add, here was a neat idea for a panel in the picture section as well:
http://www.quiltingboard.com/picture...t-t190047.html