First the original bridesmaids dress...
First option is adding fun and funky accessories to the dress that your Bride would probably not allow. Try tights, jewelry, sweaters, belts, shoes, headbands, etc.
Second option entitles a quick stitch or a full fledge seamstress depending on how you want to alter your dress. The easiest choice is a quick hem, but you could also chose to remove the straps or add straps, change the neckline or add volume or take away volume.
The third and final option is dying the dress. I prefer to use Rit Dye, because of its accurate and simple instructions (Read the instructions! I repeat read the instructions and be careful when washing other clothing items with the dyed dress).
Now would you wear your bridesmaid dress again, that is after doing one of the three options or maybe you prefer something else. Let me know what you've done to your bridesmaid's dress..Have you worn it again?