If the groom plans on tossing a garter to his groomsmen, then you'll want to consider getting a special toss garter. This way the bride can keep her wedding garter or give it to her groom as a keepsake!
Wedding Tossing Garters
If you are having a theme wedding, choose the accessories keeping in mind the general theme. Coordinate colors too to give a feel of uniformity with the whole wedding decor.