This ressource pack, changes the Skeleton texture to an island theme based look. You could use it to make skeletons look scarier, a medieval modpack, a scary modpack and more. It could also make your gaming experience get the atmosphere you wanted. Extra Information: The Skeleton and the Stray get retextured, but not the wither skeleton.
*This Ressource Pack Requires Optifine - to have multiple Custom Skeleton Textures in game.
Also, don't forget to check the images/screenshots of this texture pack.