Pincushions are fun ways to use up scraps. They are useful, make great little gifts for your sewing friends and are fun to make.
And here are a few links to tutes to make a few of your own.
This one is made with a cookie cutter
These ones have a little treat
This one is just cute and very scrap friendly.
These are just a few to get your imagination going. There are lots more. So did it that scrap bin and make a few.