Sharpening and Applying Special Effects
Picasa’s Effects tab offers a dozen special effects you can use to give your photos a custom appearance (see Figure 3.17). (And, like all other changes you make to images in Picasa, these changes are later reversible.) As you explore the Effects tab, remember that the effects can be combined and that Picasa’s Edit menu includes the commands Copy All Effects and Paste All Effects so that you can easily duplicate your work on multiple images.
Figure 3.17 You can sharpen details, add film grain, or produce special color and lighting effects in Picasa.