Inzomia image viewer 3 is a very fast free zooming image viewer that will allow you to spend more time viewing pictures and less time waiting.
It prepares the next image in the background as you are viewing.
It has fullscreen mode and a number of layouts for different types of work.
It can show zip and rar image archives.
It remembers zoom.
It has XML support to integrate into custom solutions.

Handles archives of most formats: Zip, 7Zip, Ace, Arc, Arj, Bin, Bz2, Bzip2, Cab, Cpio, Deb, Gca, Gzip, Hqx, Ice, Jar, Lha, Lzh, Ntx, Pak, Pk3, Rar, Rpm, Sqx, Tar, Taz, Tbz2, Tgz, Wad, War, Wba, Wmz, Wsz, Zoo, and more. Some of the features include extract, add, delete, self-extract (sfx), unsfx, convert, batch add, batch extract, merge, run, install, checkout, view, test, virus scan, repair. Has a build-in viewer that works with most formats.