Масимально простое приложение для уменьшения картинок?
FastStone Photo Resizer
FastStone Photo Resizer is an image converter and renaming tool that intends to enable users to convert, rename, resize, crop, rotate, change color depth, add text and watermarks to images in a quick and easy batch mode. Drag and Drop mouse operation is well supported.

Да, бесплатно для некоммерческого использования: FastStone Image Viewer and FastStone Photo Resizer are provided as freeware for personal and educational use. In these cases, you are granted the right to use these programs free of charge. However, for commercial use, license is required.
ребятки благодарю за желание помочь. Нашлось супер простое и удобное решение, офисный планктон будет счастлив. imageresizer.codeplex.com/