With the fat eighths, I would go for a Wickedly Easy quilt -
http://www.byannie.com/free-patterns/ - scroll down a little bit. It really is wickedly easy and if there's enough contrast in your fabrics, the top just sparkles. You can't figure out in a glance how it's made.
For the charm packs, I would either frame each charm with strips or squares, or I would go with a snowball quilt.