pttrns - iPhone and iPad user interface patterns
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Games Inspiration - Mobile games UI screenshots collection
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
UI Patterns - Level up with interactive mobile design patterns
Caesium Image Compressor - Compress your pictures up to 90% without visible quality loss.