there are over 20K pics on the site, but it is such a pain to upload and edit, and the visitors don't like it...

any suggestions?

It will be a bit of a task to move the 20k pictures. So I think you should experiment with Zenphoto and see if you think its interface will be better for you.

I think this post might not have been serious at all and one of our spam posts recently (look at the attached website..)...