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This is the Photoshop Elements forum. The latest version of Photoshop Elements is v.12.
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What are your Clone Source Settings ("Show Overlay" in particular) and what is the Tool’s current Brush Size?
The Photoshop clone stamp tool allows you to copy one area of an image and copy it onto another area.
Click on the clone stamp tool then press the alt key on the keyboard and click on the image to define a source point.
Please refer to below blog for further info