ADDING ALT TAGS IN ODUEDITPRO
Log in to your Web site and select the page you wish to edit (the page that has the graphic you wish to add ALT text to).
With the page open in the editor, right-click on the photo you wish to add ALT tags to, and select "Modify Image Properties..."

A dialog box will pop up, allowing you to input Alternate text for the image you've selected. A section of that box is shown here:
