You want a whiteboard in your room, but you don't want that large, clunky whiteboard. You can use a wall decal! Whiteboard wall decals have all the benefits of a whiteboard and all the benefits of a wall decal with zero negatives!
Beadboard ceiling in kitchen/eat in? For a traditional farmhouse look, try V-bead (far left) or V-bead (top). Wider "boards" tend to look less busy in a large space. There are also custom styles, like casual, random-width V-bead (near left).