"I went to this website and there was no animation tutorial."

Did you look in the P4 catagory? It's the first thumbnail listed and it teaches you all about the difference in the splines and most everything else you need to know about the poser animation. The only thing it does not do is teach you about the layers if your using P7 and that is in the manual.

You need to remember that most of those older tutorials are still the same way of doing things in poser now.