Last week, TV Guide released a sneak peak of the 4 covers for the 2011 San Diego Comic-Con special edition issue. This year, 'Big Bang Theory', 'Chuck', 'Fringe', and 'Vampire Diaries' made the cut. Below are a couple of scans from the special issue. To see all of the scans, be sure to go to Vampire Eyes Online.
Source: Secret Circle Fans via Vampire Eyes Online