"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.
We've admired tree-stump stools with painted tops before (see DIY: Garden Stools); we also like these side tables made from felled logs, with exteriors painted glossy white. Designer Marie-Laure Helmkampf came up with the idea for a project in Provence.