FOR IMAGESHACK PROBLEM FOLLOW THESES STEPS :-

On the firefox browsers address bar type 'about:config'

then on that page on filter type in 'network.http.sendRefererHeader'

double click on the 'network.http.sendRefererHeader' and change the value to 0 (zero).

Opera users on the other hand can simply press F12 and disable referrer logging.

Now refresh the page and try you will never see that frog again.