Trash or Treasure?

I recently bought this bag of 'bling' or bag of trash depending on your viewpoint.   My reason for purchasing was I thought that I could be inspired by all the different sparkly bits and pieces but now I just feel a fool for buying without having a purpose for it.  Most of the items are bits of broken jewellery but there are a few better quality items among the mix.

Some of the pieces could be used to decorate a journal or cards perhaps.  Any Ideas for using up this 'treasure' would be much appreciated.  Also, hints and tips on how to avoid impulse buys!!!