Safari - Top Sites

All of the images are gone from the top sites listed when I open a new tab. I can still scroll over the blank tabs on the page to see what they are for, but that is the only way I can identify them. Is there a way to get the images back?

Using OS 10.7.5 and Safari 6.0.2.

Thanks for any hellp.

They'll probably come back on their own - if I understand the problem correctly. Happens to me often when I'm traveling - all the images will go to the hotel login page. They'll return to snapshots of their previous pages once connected to the internet-and accessed. You may not even have to access the page...can't recall - just bring top sites up a few times.