i dunno i think its hard to judge what color a characters hair compaired to the manga seeing as how its in black and white i think the deal with naruto is that black hair will always be drawn black and that lighter color hairs I.E blode,brown,pink,white those will be drawn white

and yeah his toothpic is getting bigger every time i think that by the end episode 70 it will be like 4 feet long but its cool

i didn't think he looked fatter maybe its just the artist thats doing the animation at the time