Ok so i have tried to get the http upload working and i need some help.
http://www.gatevo.com/cpg/ login: tester password: tester
see what you can do.
OK, this is a first step: we now have a link to your gallery and a non-admin test user account. That's fine so far, but why don't you go one step ahead? Do exactly as suggested in the uploading troubleshooting section of the docs (http://coppermine-gallery.net/demo/cpg14x/docs/index.htm#upload_trouble): set the number of file upload fields to 1 and the number of URI upload fields to 0.