From Big Bear Software:
Explore mysteries of the Leonardo da Vinci masterpiece, The Last Supper. Transpose its mirror image to reveal the secrets everyone is talking about! This software allows you to view the image in high resolution, with all the tools necessary to discover its hidden secrets and perhaps discover some on your own. The full version unlocks all the features such as: Variable transparency, vertical and horizontal transposing images, x and y movement of transposed images and reveal markers to show you all its hidden secrets. This version is the first release on CNET Download.com.