1) Pay the ring bearer a dollar to pick his/her nose during the ceremony.
2) Laugh hysterically the whole time while the vows are being said.
3) Pay the flower girl a dollar to heap the petals on the floor, and walk in front of the bride with the basket on her head.
4) Play a heavy metal song in your portable CD player during the procession. Make sure you disabled the piano/organ first.
5) Walk around, handing other guests copies of embarrassing pictures of your cousin, who is the one getting married.
6) Get your best friend to call you repeatedly during the ceremony. Make sure you set your ringtone to an irritating tone.
7) Paint yourself purple for the occasion.
8) "Trip" and spill chocolate fondue all over the bride.
9) Put a "kick me, I'm making a stupid move by getting married" sign on the groom's back.
10) "Invite" a pit bull.