Running on Joomla 1.7 - get this message

There was a problem rendering your image gallery. Please make sure that the folder you are using in the Simple Image Gallery Pro plugin tags exists and contains valid image files. The plugin could not locate the folder:

API key is set right - Followed documentation to the T...

Can find similar questions but all answers are PM.  Any help would be appreciated. 

Link is:  greenjeanssale.com/home/index.php/aboutus

Please install Admin Tools from www.akeebabackup.com/ in order to fix your permissions as they should be and then reinstall the extension.

If this doesn't solve your issue please pm access to your backend.

Cashe was set to 777 but I did as you said and reinstalled the plugin, still having same error...I'll PM you with admin access.

As I can see you have solved your issue. I assume that the API key for Flickr was missing.