The Power of Gray - The Photoshop: Professional Retouching and Compositing Tips, Tricks, and Techniques - page 122

Figure 2.47
5. Go to File > Open, and open a suitable outdoor image. Then go to Select > All,
and then to Edit > Copy. Click the tab to return to the original image being re-
touched.
6. With the selection of the windows active, go to Edit > Paste Special > Paste Into,
and then to Edit > Free Transform to resize the outdoor scene so that it fills the
windows, creating a realistic view ( Figure 2.48 ).