Painting with a specialty brush

Among the preset brushes are several that paint in preshaped units, so that a single stroke paints a series of stars, leaves, or blades of grass. You'll use one of the grass-shaped brushes to create a hillside for your image landscape.

1 In the Layers palette, select the Tree layer set and click the New Layer button (j). Double-click Layer 1, and type Grass to rename the layer.

2 In the toolbox, select the brush tool (.■-"), and then scroll down the Brushes palette and select the Dune Grass brush shape.

To reduce the amount of scrolling needed in the Brushes palette, open the Brushes palette menu and choose Small Thumbnail (the display shown in the illustration below step 3). You can confirm your brush choice by letting the pointer hover over the thumbnail until a pop-up appears, identifying the brush by name. If you prefer to see the brush descriptions as you scroll, you can still reduce your scrolling by choosing Small List on the Brushes palette menu.

3 Above the sample displayed at the bottom of the Brushes palette, drag the Master Diameter slider or type to change the value to 60 pixels.

4 In the Color palette, select a pale yellow color, such as R=230, G=235, B=171.

5 If necessary, adjust the size and magnification of the image window so that you can see the entire image. Then drag the brush tool in a gently waving line from the center of the left side of the image to the lower right corner. (Refer to the 08End.psd file as a guide.)

6 Continue dragging the brush tool across the lower left area of the image to fill in the hillside of grass. Do not try to fill the area with solid color, but leave a little bit of the sky showing through so that you can still see most of the individual blades of grass.

7 In the Color palette, select a light olive-green color, such as R=186, G=196, B=93.

8 In the tool options bar, select Multiply in the Mode pop-up menu, and change the Opacity value to 50%.

J' - Brush: f - Mode: [ Multiply ' | Opacity: |50M | > | Flow: |100M | ^ |

9 Resume painting over the same area of your image, building up color until you are satisfied with the results. If you make a mistake or want to start over, select a previous state in the History palette, and start again from that state.

Notice that when you first start painting the olive color, the results are relatively faint. As you continue to drag the brush over the same areas, the color you add multiplies itself by the underlying pixel colors, producing increasingly darker shades of green. This process effectively demonstrates the way the Multiply blending mode works.

10 Choose File > Save.

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