I think that keychain albums would be fun - they're fast and easy to make and really cute, too! I saw them online somewhere and figured out how to make them. I've attached a few thumbnails, and there's a tutorial on my blog HERE
. You can get the lanyard hooks in bulk at Joanns or Michaels (maybe even Walmart) in the jewelry section, and you could use elastic hair thingies instead of ribbon to close them, if you wanted.