Charitable Giving.

Registering for gifts?  How about also registering for donations to your favorite charity in celebration of your marriage?  Spread the wealth.  And the good will.  Tell your officiant about your designated charity and why you chose it.  Ask her to say a little something about it during your ceremony.  Not as a solicitation, but as a way of honoring your depth of character when she talks about the fabulous couple that you are. 

And here's a link to related idea I've previously presented: sweet charity