[How do i make my brush draw smooth?]

I figured out what was wrong. The image was 40x40 when I thought it was 240x240. I made it 240x240 and everything went great! Here's my finished image: http://imgur.com/CBx4EYH

[How do i make my brush draw smooth?]

Is it maybe because my image is too small? Or too zoomed in?

[How do i make my brush draw smooth?]

Is there a way to make it like this?: http://imgur.com/X73xqJo,LUbqGbH#1

[How do i make my brush draw smooth?]

I made a forum account to ask this question,

How do i make my brush draw smooth? Not in pixels like this http://imgur.com/HVbUeFv