Groom Away the "Ickies" in Your Dog Photos
Position the brush over the goober and click.
If you can cover the entire goober with your brush (top), use one click to remove the imperfection. If not, click and drag over the area (bottom) and then release. If the Spot Healing Brush was your tool of choice, congratulations — you’re done!
If you’re using Photoshop CS4 or earlier and you’ve settled on the Patch tool instead of the Spot Healing Brush tool, make sure you select the Source radio button in the Option bar.