Lightbox caption with paypal button

Hi,On my homepage at storm3d.com I have 9 thumbnails of my latest sketches and finished designs.Until recently I simply linked these images to my other blog on which I also sell my designs, http://tribalflashtattoos.blogspot.com.I discovered a simple script, Lightbox, which is used to overlay images on a webpage, and implemented it to display my canvas prints.No problem thus far...Recently I