This giveaway license is valid for both software. Ashampoo Slideshow Studio 2012 help you makes slide shows from your photos whereas Ashampoo Uninstaller helps your remove left outs of uninstalled software. Please note that Ashampoo Slideshow studio does not support HD output at 720p and 1080p.
How to get free license key for Ashampoo Uninstaller 4 / Ashampoo Slideshow Studio 2012 ?
The official giveaway page is in German but I have translated it you in English