You can't adjust the setting like Graphics Setting 1, 2 ect. Just the screen resolution.
Edit: Oh. Macfly77 answered first.
Come join Nintomster's Mii Army
today! It's only a matter of time before I take over, so why not join now and save yourself from being attacked and killed? If you join, you'll fight alongside Dr Zoidburg, Jack Black, Reggie, Professor Layton, Phoenix Wright, Marshie, Glottis, and many other famous/not well known/made up people! Join Nintomster's Mii Army
Have a look at my deviantART page
too! You can look regardless if you're part of Nintomster's Mii Army! Even if it's not the best art you'll see...