Here is a quilt and pillow cover I completed with blocks from the first Boomerang Swap: (It's the 3rd or 4th posting)
http://www.quiltingboard.com/t-32780-140.htm
Here is a quilt my mom made from blocks she received in the first Boomerang swap: (it is black and really bright colors, toward the bottom of the page)
http://www.quiltingboard.com/t-32780-138.htm
Here is one from member sewwhat85:
http://www.quiltingboard.com/t-100954-1.htm
And from leakus:
http://www.quiltingboard.com/t-87971-1.htm
These were all from Boomerang swaps. I am sure there are more posted, but these were the ones I had marked. :)
I would love to see more quilts completed from swaps.