1 In the History palette, click the left column of the state or snapshot to use as the source for the art history brush tool. A brush icon appears next to the source history state.
3 Do the following in the options bar:
• Choose a brush and set brush options. (See "Working with brushes" on page 228.)
• Specify a blending mode and opacity for the paint. (See "Setting options for painting and editing tools" on page 241.)
• Choose an option from the Style menu to control the shape of the paint stroke.
• For Area, enter a value to specify the area covered by the paint strokes. The greater the size, the larger the covered area and more numerous the strokes.
• For Tolerance, enter a value or drag the slider to limit the regions where paint strokes can be applied. A low tolerance lets you paint unlimited strokes anywhere in the image. A high tolerance limits paint strokes to areas that differ considerably from the color in the source state or snapshot.
4 Drag in the image to paint.
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Adobe Photoshop can be a complex tool only because you can do so much with it, however for in this video series, we're going to keep it as simple as possible. In fact, in this video you'll see an overview of the few tools and Adobe Photoshop features we will use. When you see this video, you'll see how you can do so much with so few features, but you'll learn how to use them in depth in the future videos.