2.Pencil
This tool looks like an ordinary pencil for painting.
Working with it is easy:
-choose the pencil tool from the tools window
-choose a type of the pencil form the menu with options above:
-choose a color from the pallette
3.Gradient
You can use this to make light overflow of two or more colors.
To do this you need to choose the gradient tool in the options menu and this will be shown: