Kent Hovind is THE source of all creationist arguments these days in content and style. I'd bet that 95% of creationsist on youtube are simply reading straight off of some material Hovind made years ago.
Can't wait till he gets out of prison in 2015. He's sure to have done some thunkin in there, and he will hopefully share it with us.
They are. They're usually reading from Answers In Genesis.Com which is almost completely nothing but Kent Hovind/Ken Ham regurgitation which is devoid of any real science content.