How to Create Web Page Backgrounds in Photoshop 7
- 1). Open Adobe Photoshop 7.
- 2). Click "File" in the top menu bar and select "New."
- 3). Set the dimensions of the new document to at least 1200 pixels wide by 800 pixels tall. In addition, specify a resolution value of 72 pixels per inch and a color mode of "RGB Color." Choose your desired background color from the corresponding drop-down menu and then click "OK."
- 4). Create the content of your background image using Photoshop's tools.
- 5). With your image content complete, click "File" in the top menu bar and select "Save."
- 6). Select a save location and give the new file a name. After doing so, click the "Format" drop-down menu, select the "JPEG" option, and then click "Save."
- 7). Specify your desired image quality and formatting options within the dialog box that follows, and then click "OK." Your image saves to JPEG format and can be used as a Web page background.
Source...