First, go to http://www.voicethread.com and register for an account of your own. You only need a valid email address to sign up.
Second, go to http://voicethread.com/#q.b228922.i1190638 and view the images there. Listen first to the comment I have made about each picture. You will know my comment by the icon below:
Leave comments, either recorded voice comments or typed comments. Do NOT put your full name or a picture of yourself on the site!