Christmas HQ - Totally free holiday icons, images, borders and fonts
ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
IconStore - Free icon packs by first-class designers
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Merry Christmas Design Assets - Over 40,000 high-quality Christmas assets from Iconscout to bring the spirit of Christmas to your designs.
Ralpha Image Resizer - High-speed image batch conversion tool