He looks oh-so Don Draper in a tux. Why not borrow all those debonair details -- the bow tie, the cummerbund, the sharp pleats -- and refashion them as decorative accents for your wedding? The Details: Silk camellias, M&SSchmalberg. Topper, similar styles at Fancy Flours. Ring, Diana. Pleated ribbon, M&J Trimming. Calligraphy (here and throughout story), Cheryl Tefft of Calligraphics. Onyx and diamond tuxedo studs, by Trianon from Seaman Schepps New York, 212-753-9520. Butterfly self-tie bow tie, Brooks Brothers. Diamond earrings, "Pahla Collection," Pavan Gattani for Vardiva.