Scrap wood wall decor

A friend gave me a bunch of old fence slats. She didn't know what to do with them but I was instantly inspired!

Since I live in Florida seashells are not hard to come by. I bought these shells at a local shell store and spraypainted them white. My husband cut the wood 2" wide x 10" long. I painted them and lightly distressed the edges. 

Here the back of the wood:

Here's each individual one: