From the developer:
""Vallen JPegger is a very fast but handy image viewer program. It is especially designed for browsing through large folders with many images. Its intuitive explorer-like user interface provides fastest access on image and sound files with mouse or keyboard. The top 40 image formats are supported. Original Explorer context menus provide all necessary file management functions like Copy, Move, Delete and other shell extensions. Thumbnails of all images in the current directory are created automatically by threads. Full scalable print support including print preview for images, thumbnails and postcards is also included as a slide show mode or screenshot functions. Images can be mirrored, rotated and saved.
What's new in this version: