Boothsy allows you to take popular photostrips with a iPad's front facing camera. You can select the number of photos the strip will consist of, as well as the frame color.
The app has built in advanced facial recognition, so you don't even need to press any buttons in order to start taking pictures.
Finally Boothsy offers a variety of sharing options including: Email, Facebook, Twitter and Flickr. You can also grab the photos from the app via iTunes file sharing!
It's an excellent app for a party, just set your iPad on the magic cover, turn on facial recognition and have fun with your friends!