Ranked in these QuestionsQuestion Ranking
Pros
Pro Easy to navigate folders
Pro Quickly view image metadata
Pro Easily resize, crop, flip and rotate
Pro Keyboard shortcuts can be redefined
Pro Images can be sorted by name, date and size
Cons
Con Has a bug that causes certain png files to show brighter than normal
The image, if is a png that contains gamma information, will appear washed out. There is still an open ticket concerning this issue.
Con Very slow on remote folders
Compared to others, like XNview, is VERY slow when retrieving images from shared folders (NFS or Samba).
Con Not lightweight
Needs a lot of KDE packages.