Because the Dust & Scratches filter didn't do what we wanted it to do, you'll have to remove the scratches by hand. Let's use the Healing Brush to cover them, starting with the background because it's a good place to practice with this tool. Select the Healing Brush and open the Brushes palette. Choose a soft-edged brush. Choose Source: Sampled and make sure Aligned isn't checked. Pick the dark tone adjacent to the scratch, and start stamping it out. Remember to set a spot to use as a source, by pressing Option (Mac) or Alt (Windows) while you click the mouse on the spot you want to copy. For small spots located far from object edges, try using the Spot Healing Brush with a small, hard-edged brush selection.
Figure 21.17 shows the partially treated photo. Remember to change your source selection as the areas the damage runs through change value.