Use them as a bug, butterfly or snail trail.
Give a chipboard swirl a bit of bling.
Make a sparkly swirl with highlights.
Trace and cut around the shape.
Add glimmer to a tree.
Make a circle on the photo as a feature. (use a plate or something as a guide)
Use them for flower centres in a cluster (you can cover a large brad with them for bulk).
Add them to page corners.
Make your journalling sparkle.