I'm lost!

ok, you know those icons that have a picture, and at the side there's a small little box that has like an animated scene, like say the picture is of a xtina musix video, and the little box shows a small scene from it, can someone please teach me how to do that?? and also, I tried to take screen shots with my psp8, and i was trying to take shots from a music video that I saw on a site, but I just got a black box, so I tried to do it with realplayer, and the same thing happened, how do I fix that?? thanks in advance for all those who will help.
p.s. I need the tutorials using psp8 and animation shop3 thanks.