1. A method for facilitating substitution of a full bitmap version of a graphical image having a plurality of shapes for a line drawing version of the graphical image in a graphical presentation, the method comprising: linking the full bitmap version of the graphical image to the line drawing version of the graphical image to display the full bitmap version of the graphical image responsive to the line drawing version of the graphical image being selected; displaying a page in the graphical presentation, the page including the line drawing version of the graphical image, wherein the line drawing version includes outlines of the plurality of shapes that are present in the full bitmap version, and wherein displaying the line drawing version of the graphical image requires less data to be retrieved than displaying the full bitmap version of graphical image; inputting a command by a user to select the displayed line drawing version to display the full bitmap version of the graphical image; and in response to the user inputting the command to select the displayed line drawing version to display the full bitmap version of the graphical image, retrieving the full bitmap version of the graphical image linked to the line drawing version of the graphical image, and displaying the full bitmap version of the graphical image.