The OP is pretty much comically wrong. Thomas hasn't moved the Court to the right -- Bush's appointments did. He has rarely influenced the other members of the Court to move off their usual positions, and he hasn't proven himself capable of much intellectual firepower in his written opinions.
He was poorly qualified (to say the least) when appointed, and mainly seemed to fit the bill as a young black conservative. He has now been on the bench for over 20 years. We know all we really need to know about him at this point, and it's hardly impressive.
Compare to Scalia, who is ideologically similar but of far greater intellectual heft.
"I love signature blocks on the Internet. I get to put whatever the hell I want in quotes, pick a pretend author, and bang, it's like he really said it." George Washington