MS-Paint Orientation Chart
A little chart that tells you what all those little buttons do. I recommend loading this if you're not sure what I'm talking about.

Recoloring in MS-Paint
The eraser's the key...

An Overview of Basic Shading in MS-Paint
Shading can be done very beautifully in MS-Paint. All it requires is a little time and practice.

Characters Signatures 1
What you should NEVER do when creating signatures in MS-Paint.

Character Signatures 2
What you SHOULD do.