Furyu released today two new Nintendo 3DS themes in the Japan Nintendo eShop the “Artlist Collection THE PIG” ones.
You can buy them one by one for 200 Yen (with tax) / theme price or in one package for 300 Yen (with tax).

Each of them comes with BGM, Sound effect, normal wallpapers onthe top and the bottom screens except the PINK one which comes with panoramic wallpaper on the bottom screen. You can find the sample pictures in the gallery.