ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Speedcube - A simple and elegant Rubik's cube solve timer
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Linia - You will never look at colors the same way...
Ralpha Image Resizer - High-speed image batch conversion tool
Colorcube - Turn pieces and blend colors in this minimal puzzler