A trio of coordinating patterns creates a personalized spot to say “I do.” To make the valance, affix wallpaper to foam board with spray adhesive. The aisle runner? Double-stick-tape a roll to the floor. And for each chair cover, drape a strip over the back, punch two holes in each end, and tie on a ribbon.

Graphic envelopes deliver big impact with little effort.

From top left: Schumacher “Chenonceau” (decoratorsbest.com). Scalamandre “Bon Oeuf” (decoratorsbest.com). York Wallcoverings “Patrizia” (yorkwall.com for stores). Louise Body “Garden Birds” (louisebody.com). Graham & Brown “Soprano” (grahambrown.com). Ferm Living “Remix” (fermlivingshop.com). Ralph Lauren Home “Ashfield Floral” (ralphlaurenhome.com).

For a party that’s as chic as it is colorful, swathe elements in paper with a subtle design that comes in contrasting shades. Illuminate loved ones with this instant lantern upgrade: Cut and press wallpaper onto the adhesive exteriors of Fenchel Shades custom pendant lamp shades (fenchelshades.com).

We used York Wallcoverings “Patrizia” wallpaper (yorkwall.com for stores). For the table, unfurl a 20 1/2-inch roll to create a runner (secure with double-sided tape) and cover wine bottle labels (use adhesive spray).

Playful motifs lead to a nest of interactive ideas, including an escort card display that looks lovely (even after guests have flocked to their tables) and creative favor tags.

Mount Louise Body’s “Garden Birds” wallpaper (louisebody.com) on foam board, loop thread through calligraphed Paper Presentation business-card envelopes (paperpresentation.com), and hang them from the beaks with pins.

For an easy tag or embellishment, go for paper with small, repeated designs that can be cut out. Speckled eggs from Scalamandre’s “Bon Oeuf ” wallpaper (decoratorsbest.com) make cute trimmings.

Caramel and chocolate quail eggs (candywarehouse.com) are the 3-D equivalent of this paper’s design -- and totally addictive!

Hang or drape a striking print, add a prop, and invite guests to say “wallpaper!” Emphasize the trompe l’oeil effect of Cole & Sons’s “Woods” (decoratorsbest.com) by attaching cutouts to foam board.

Friends look smart surrounded by the literary tomes of Cole & Sons’s “Fornasetti Ex Libris” (decoratorsbest.com).

They say rain is good luck on your big day: Aimee Wilder’s “Clouds in Storm” (aimeewilder.com).

Hang Scalamandre’s “Venetian Carnival” (decoratorsbest.com) from a rod, and wait for the magic to happen.