I've looked through the threads to see if I could find an answer but I'm unable to. We haven't done anything to our gallery since at least a year ago and now, randomly, the pictures are not showing up within the gallery, eventhough they still exist within our FTP. Argh!
http://www.chevelleonline.net/Gallery/
if the images still exist on your server, then check permissions. They are not visible from the web...
direct link to one without Coppermine being involved
http://www.chevelleonline.net/Gallery/albums/Electric%20Factory%2C%20Philadelphia%20PA%202-20-00/1.jpg
Redirects to Google, so you have been hacked. Read the Yikes thread!