Throwing videos using Silverlight

Question

Hi, I am developing one application using silverlight and .Net.There are some videos to watch.There are some features like rotate,scaling video using silverlight.Now I want to develop feature Throw videos using silverlight like in the following site. http://www.etsy.com/color.php?ref=fp_nav_colors.If u open that link there are some bubbles,if you click those bubles you will find some images.In that we can throw those images to anywhere. I want to develop that feature using silverlight in my site.Can please anyone help me how to do that task using silverlight and .Net. Thanks in advance Pavani