48. The computer-readable medium of claim 43 , further comprising flagging the first graphical document if the first graphical document contains less than a minimum number of ratings, is rated with a rating indicative of content identified as objectionable or one or more broken links, or is associated with a particular class of advertising model.
43. A computer-readable medium encoded with computer program code to approve a graphical document, the program code effective to perform the following: store a first graphical document; compare graphical content of the first graphical document to graphical content of a second graphical document by a processor; flag the first graphical document based on the comparison; provide the flagged first graphical document to one or more evaluator terminals for rating information; and approve or disapprove the flagged first graphical document based on the rating information received from the one or more evaluator terminals by the processor.