It is not an illegal product. See the following. These transitions were originally released as demo software by Metacreations and applied a watermark over the images/clips when the transitions were played. Removal of this watermark requires special codes to be supplied as a parameter in the xml file. The legality of this action is not clear. My attempts to request such permissions from Viewpoint (the descendant of Metacreations) have not been fruitful since they did not understand what software I required license for and told me that the Metacreations assets were sold away to different companies...