Send a PM to Sapience, he should be able to help. Let him know exactly what you would like to do. Generally though, while you can usually post videos of LOTRO on YouTube, you are not allowed to make any money or profit in any monetary way from it unless you get Turbine's (written) consent. Since YouTube's Partnership Program description states "... and earn more money.", there's an implication that you will be profiting from the videos.
"Everyone's got one. Better to be a smart one than a dumb one." - me
"It's people like you that [I]think[/I] you know everything that give those of us that [I]do[/I] a bad name." - me
"Eat, drink, and be Merry, 'cause Pippin was a fool of a Took."