To customize a style, create a copy of the style folder, and store it in the same location as the existing style folders.
To create a new style, create a new folder for the new style, and store it in the same location as the existing style folders.
The new or customized style (named for its folder) appears in the Styles menu in the Web Photo Gallery dialog box.
Customize the HTML template file.
Create the necessary HTML template files and store them inside the style folder.
When creating the template files, make sure that you follow the guidelines for customization outlined in About customizing web photo gallery styles.