Despite the fact that the source images RIGHT THERE ON THE CANVAS do not use a bold black outline, you decided to use one anyway. Couldn't you figure out how to use the eyedropper tool in MS Paint? For that matter, why the heck did you do this in the first place? As an exercise it's generally pointless and as an artwork submission it looks like something a second grader would print out and stick on the fridge with no small amount of pride.