Don't forget the...

Cake Topper.

Invitations, reply cards, directions cards, envelopes.

Chalk board (& chalk!)

Speakers, Mic, etc.

Bracelet.

Stand-alone mirror for powder room.

Soaps n such for powder room.

Hand towels.

Groom's cake...

Paper "lanterns". http://www.bulkpartysupplies.com/store/c/4991-Tissue-Balls.html

Letter box thingy.

Pew flowers/decorations.

tbc...