Lights is an important thing for wedding decor because they create a mood and atmosphere: what can be more romantic than kissing each other in the lights background or your wedding reception decorated with lights and candles?
Vintage ladder styled for wedding. Pretty sure this would be easy & cheap to make for random wedding decor. Maybe by the gift or old wedding photo tables. Letters from craft store painted & given a vintage look. Fake flowers in jars.
on your wedding day, take a picture of your flower girl in your dress hide it until her wedding day then give it to her! Also get a picture of your daughter(s) in your wedding dress at like age 5 and then give to them on their wedding day!