I am trying to learn to draw people in photoshop, for example: This Website. Any tips?

It's lineart. Try this tutorial: http://www.deviantart.com/view/21814747/

thanks, and where can I get line art brushed that look like objects, animals, etc. like the picture of the boy on the website.

^ What do you mean "brushed" ?

oh sorry. i'm trying to find brushes like the ones used in this: NVM