To display image field properties in the Property inspector, select an image field in a form. See also Adding an object to a form.
Name Assigns a name to the image field. (Enter a name in the unlabeled text field on the far left side of the Property inspector.)
Src Sets the source file for the field. Click the folder icon to browse to an image file on your hard disk.
Alt Specifies alternative text that appears in place of the image for text-only browsers or for browsers set to download images manually. In some browsers, this text also appears when the pointer is over the image.