The path and name, relative to the images directory, of the image to be displayed on the right of the weblet. If specified, the right_absolute_image_path property should be left blank.
Blank – by default, buttons do not display an image on the right.
The path and name of an image, relative to the images directory, enclosed in single quotes. An image can be chosen from a prompter by clicking the corresponding ellipses button in the property sheet.