- Change image size
- Image>Image size
- Choose View > Print Size. The image will be resized to the approximate print size
- Copy image
: Ctrl + A
- Paste image in a specific location
- the original image where it will be pasted
: select area with Lasso tool
- image to be copied
: Ctrl + A
- image where it will be pasted: Edit > Paste into (Shift + Ctrl + V)
- Resize image
: Ctrl + T (hold Shift + Alt)
- fix the perspective problem
:
Edit > Transform > Perspective (Shift+Ctrl+Alt)
- Add An Inner Shadow Layer Style
- with "Layer to be pasted" selected - Layers palette > Layer Styles > Inner Shadow
- Change Layer image size
- Ctrl + T
- Hold Shift to keep proportion and resize by ref point left bottom
- Hold Shift +Alt to keep proportion and resize by ref point center
- Move Layer image
- Fusion image, once you're happy with the placement of the new image
- Layers > Merge Visible (Shift + Ctrl + E)
- source: http://www.photoshopessentials.com/photo-effects/paste-into/
