If you find yourself getting frustrated because Photoshop is forcing you to be overly precise with your mousing, and you can see yourself going gray and toothless before you're done, then you'll want to mess with the Sampling icons (from left to right: Continuous, Once, Background Swatch). Using the Continuous setting will cause Photoshop to constantly keep an eye on the color that appears under the crosshair as you're moving your mouse (Figures 14.9 and 14.10). That's the default setting, and it works great with images that have multi-colored backgrounds. If you have a background that doesn't vary in color much, however, you might want to try using the Once setting. With that setting, Photoshop will pay attention to only the color ...

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