• Father of the Bride
  Thanks the guests for coming and sharing in the special day.
  Thanks everyone who contributed to the cost of the wedding.
  Compliments and praises his daughter and welcomes her new husband into the family.
  Toasts the bride and groom.
• Bridegroom
  Thanks the father of the bride for his toast.
  Thanks the guests for attending and for their gifts.
  Thanks both sets of parents.
  Compliments his bride.
  Thanks his best man.
  Thanks and toasts the bridesmaids.
• Best Man
  Thanks the groom for his toast to the bridesmaids.
  Comments on the bride and particularly the groom.
  Reads any messages from absent friends.
  Toasts the bride and groom.
• Bride
  Thanks the guests for coming.
  Thanks her parents and bridesmaids.
  Compliments the groom.
  Proposes a toast.

Just remember, practice makes perfect. Try to relax on the wedding day, put the speech to the back of your mind and enjoy the ceremony. When the time comes, relax and just be yourself. (You might want to avoid drinking too much especially if alcohol makes you sound slurred though!)