Allowing choice of Bride's Maid Dresses

Good, bad and oh-so ugly can be redeemed -ideas on what you can do with an old brides maid dress. It includes shortening it so a little girl could use it, perhaps a flower girl dress now? It's nice for the bride's maid allowing them to choose their own dress, so they don't end up with a bunch of dresses that are one time use like the cute movie 27 Dresses. For matching the colors and theme of the wedding, that's a problem.