Nintendo uploaded some new artworks for Splatoon today.... really great stuff! That's not all.... there's also 50 new screenshots for the game (though some of them have already been posted on Twitter/Facebook/Tumblr).
Gallery: http://minus.com/mVJZjHHKZ0tUK (pic still uploading)
Endless provided a gallery with full-size artworks: http://allgamesbeta.minus.com/m-Splatoon-Art
Gallery: http://minus.com/mVJZjHHKZ0tUK (pic still uploading)
Endless provided a gallery with full-size artworks: http://allgamesbeta.minus.com/m-Splatoon-Art