Add a Background on Photoshop Cs3

This tutorial will shows you how to add a background behind an image on Photoshop cs3

Steps

Open an image you want to use for background
Place and image that you want to add a background and set it above the background layer. Work at image layer and go to Filter>Extract
Select Edge Highlighter Tool>Brush size 20>drag mouse on edge of an image area you want to keep
After finish, select Fill Tool and fill the area you want to keep, selected area will appears with translucent blue, then click ok
You will get an image with new background, Press Ctrl+t to adjust the size of image