Growing Up - Slide show made up before the wedding, containing photos of the bride and groom as children, while dating, engagement photos, etc. This slide show can be played at the rehearsal, ceremony, or the reception.
Wedding Day - Slide show made up after the wedding of photos from the ceremony that you obtain from your photographer (requires written permission from photographer if using professionally taken photographs)
Combination - Slide show made up after the wedding, containing any photos you submit - either from childhood, dating, ceremony, honeymoon, etc. (requires written permission from photographer if using professionally taken photographs)