b4c0e3a created the issue

I'm using an intel imac OS X 10.8
Cybercuck v.4.2.1

I want to upload individual photos to the Image folder on my website but I can't.
When I click or double on public_html I can not open it. Instead it gives me other options such as; Refresh etc.
How can I open public_html in order to upload individual items to a specified folder.

Also ...further to the above question;
With other tools such as; 'fireFTP' and Google Chrome's 'FTP Editor' this is NOT a problem. But for Cyberduck for Mac it is a problem and my question is WHY should looking at individual folders on my website be a problem when 'Cyberduck' for a PC it is not?