I know the list is long already, but how about,
"It was from peer accepted books, and therefore MUST be considered accurate by evolutionists"
http://www.freerepublic.com/focus/f-news/1549524/posts?page=151#151
for Your Brain On Creationism?
Not bad, but I'm waiting for better. I really want something from this particular poster, and I've been following the "debate" with great interest. But as so often is the case, it's not easy to find one great sentence that perfectly captures the madness.