I've driven myself totally bonkers trying to get ImageManager Plugin to work on HostGator. The plugin creates the directories but won't show them. It uploads the images but won't show them in the admin interface. And worst of all, it won't show them at all in the posts.
Something else odd. If you've uploaded an image using imagemanager within your wordpress installation and try to access the image directly in your browser, you get a 404. If it's outside of wordpress there's no problem.
This is a photograph uploaded in a different installation on a different host, and there's no problem.
Both hosts are running mod_security.
Does anyone have any ideas? I've posted this on soderlind.no forum but nobody's home.