"Aiming for a coastal bedroom decor? Paddles emphasize the sea/beach theme and make for great wall decorations. Different size paddles can also be arranged and used as a headboard in a coastal bedroom." Other headboard ideas at the link.
old barn door, cost 30 bucks for the door plus the lacker to seal it, and it was about 300 at pottery barn! Then we did a collage of vintage mirrors and vintage along with some newer picture frames and just painted them all shades of white!