PDF Image Stamp is an Acrobat plug-in tool which is used to automatically image stamp your documents quickly and easily, you can put customizable Images on the page in any x,y position, PDF Image Stamp supports gif, jpeg, bmp & png image formats, other main features include image scaling on the fly, image opacity for watermarking, saving settings for later use with other pdf's, page start & end ranges & 1 in nth pages stamping for n-up documents.