Shorebird, I love Dresden Plates and would be beautiful with her fabrics. Your Grandmother's quilt is London Roads and it's a wonderful old scrap pattern. What a treasure you have!
http://www.generations-quilt-pattern...ilt-block.html
Deb, another really easy pattern would be Bonnie Hunter's Scrappy Trips Around the World.
http://quiltville.blogspot.com/2005/...und-world.html