I love those! I'd probably go with something with some larger pieces since you don't want to cut up the butterflies, birdies or hearts too small. I'd probably go a bit more modern than traditional on these fabrics. I just saw one on pinterest and will try to link:
http://fabshophop.com/free-pattern_whimsical-quilt.asp
http://www.fabriccafe.com/product-p/091528e.htm
https://www.pinterest.com/pin/118782508900103516/ (link is broken to Robert Kauffman, but this is what I was thinking of originally)