Impossible I-1 Instant Camera - Take real polaroid photos with your iPhone
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Sprocket Printers - Create instantly stickable photos in seconds
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
The Polaroid Lab - Turn your smartphone photos into polaroids
Ralpha Image Resizer - High-speed image batch conversion tool