Beginner's Guide to Adobe Flash/Tools/Brush
This tool allows for many different options graphically, offering the most variances and ways to manipulate your marks in the program. This tool creates marks using filled shapes which can be solid colors or gradients with the stroke not applying to this tool. There are five painting modes in this tool, which include normal, paint behind, paint fills, paint selection, and paint inside. The brush size and shape can be adjusted, with nine options for shape and the option to change the diameter of the brush, creating thicker or thinner lines.