Features include a GUI that doesn't get in the way of viewing your images, a file browser, slideshows, zooming, rotating, on-the-fly Exif viewing, histograms, fullscreen support, wallpaper setting, the ability to view 4 images on the screen at once, adjustable thumbnail sizes, playlists, view and download images from Web sites, movie playing, file searching/filtering, multiple directory loading, transitional effects, image hiding and more.
I actually wrote this program myself and have been working on it since the summer of 2001. It's the only image viewer I use because it's fast, has features that other image viewers don't support that I like and it can run on other operating systems besides just Windows.
Here's a screenshot of imgv I took where I'm using it to view a picture of my old cat with it:
Check out the documentation to quickly learn how to use it.
http://imgv.sourceforge.net
