(http://www.nintendo.co.jp/3ds/theme/list/02188/img/main.png)
http://www.nintendo.co.jp/3ds/theme/list/02188/index.html
there's two others, too! I think the one with the Mashin is my favorite. honestly really surprised, I never expected this!
(http://dusted-dreams.net/misc/main1.png) (http://dusted-dreams.net/misc/main.png)
would be surprised if we got them outside of Japan... we can hope! though I'll probably keep my Animal Crossing theme, since that's all I play on the 3DS...