Things to remember:
1) You must know the measurement of SOMETHING in the image, preferably something that is along the back wall.
2) The scale is 10 pixels = 1 inch, so multiply the measurement by 10 to get the width that it should be in pixels to match the templates
3) Use with caution! It may always seem like a good idea to use your client's own homes as a backdrop, but consider what will make the most impact from a marketing perspective!
Learn how to quickly create custom groupings and sizes for your client to see during in person ordering sessions. Focuses mainly on the LR3 templates, but also shows how to customize a group quickly in photoshop.