What should I hang up in my room instead of road signs?

Go for large-scale art. Max Burkhalter.

Curate a gallery wall. Simon Watson.

Incorporate an accent wall. In addition to displaying objects on the walls, think about decorating the walls themselves.

Showcase a fabric.

Hang up mirrors.

Paint a mural.

Install shelving.

Hang plates.

Lily, would be very good to use in lace like centerpieces. since this is a romantic wedding, you want lots of romantic decor. a lot of red and pink and white, are all associated with romance, therefore lilys would be the best flower to use