To change the wallpaper: Select System Preferences from the Apple menu. next choose Desktop & Screen Saver from the System Preferences window. From there choose the Desktop tab. You can select from any of the back ground images available.
If you want to place a few of your on pictures as the wall paper. Place a copy of your picture in the following folder. Library -> Desktop Pictures. You can call the file anything you want, just be sure it is a jpeg file.
Thanks for the speedy advice. I'm looking to change the background of the finder window specifically. I believe it can only be done in one view but I just wanted to be sure.
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