Adding content often is more than just entering and configuring text. In many cases, you'll also be adding graphic files, Flash animations, video files, and other files.
To import files into your site, select File, Import, File to display the Import dialog shown in Figure 3.2.
Figure 3.2 You'll likely want to import some graphics and other files into your site. The Import dialog makes it easy.
Click the Add File button to import one or more files. You can also click Add Folder to import a folder and all the files inside that folder. After you've added files or folders, they will appear in the list in the Import dialog. If you want to change the name of an imported file, select the file and click the Modify button.
To complete the import process, click OK. The files will not be imported into the site until you click OK.