29. A computer-implemented method comprising: storing one or more graphical documents; storing content rating information associated with the one or more stored graphical documents; comparing graphical content of a graphical document under evaluation with graphical content of the one or more stored graphical documents to identify a matching graphical document by a processor; and granting a distribution approval to the graphical document under evaluation based on the match and content rating information associated with the matching graphical document by the processor.
29. A computer-implemented method comprising: storing one or more graphical documents; storing content rating information associated with the one or more stored graphical documents; comparing graphical content of a graphical document under evaluation with graphical content of the one or more stored graphical documents to identify a matching graphical document by a processor; and granting a distribution approval to the graphical document under evaluation based on the match and content rating information associated with the matching graphical document by the processor. 34. The system of claim 29 , wherein: at least one of the stored graphical documents includes an approved advertisement image; and further comprising: identifying the approved advertisement image as the matching graphical document if the graphical content of the graphical document under evaluation is substantially identical to graphical content of the approved advertisement image; and granting the distribution approval the first graphical document based on content rating information associated with the approved advertisement image.