Many of the graphics settings you can specify in the configuration file apply to all the graphics in your document. However, if the right setting for one graphic is wrong for another, you might be able to override the configuration value in your FrameMaker document for an individual graphic.
§31.4.1 Overriding graphics settings with custom markers
§31.4.2 Overriding graphics settings with FrameMaker object attributes
§23.7 Specifying HTML image attributes
§25.2 Applying WAI markup to images.
§29.2.4 Using attribute markers for HTML or XML