Assassin - The Photoshop: Professional Retouching and Compositing Tips, Tricks, and Techniques - page 536

3. Straighten the image by double-clicking the Straighten tool ( Figure 11.43 ) . Press
Return/Enter, and click Open Image.
Figure 11.43
4. Go to Select > All, and then to Edit > Copy. Click back on the model picture, and
go to Edit > Paste to add the London picture. Rename this layer London .
5. The London layer should be at the top of the layer stack. Lower its opacity to 50%
so that you can see the model through it ( Figure 11.44 ), then go to Edit > Free
Transform and resize the London layer so that it fills the image area, and press
Return/Enter. Press 0 to set the opacity of the layer to 100%, and use the Move tool
(V) to drag the layer into place.