Here are a bunch of ideas: https://www.hometalk.com/search/posts?filter=headboards
Here are some fun ideas: https://www.youtube.com/watch?v=jDw1_oq5SCw
I did something on the wall above the bed instead of a headboard. One room is a metal heart, one is a cotton wreath with wooden cathedral accents, one is a large framed mirror.
Lori....Pickett fence can be added for headboard as well as an old door or louvered doors will work.