To change the thumbnail image of your webcam, from your Orb PC or any other PC, log on to http://mycast.orb.com > click Open Application > select TV/Webcams > select your Webcam > upon selecting the thumbnail image of your webcam, you should see its properties at the bottom > click Change Thumbnail > Choose between any of the options provided and change the image: Use file from local disk, Choose from URL, take snapshot... - select an appropriate option and click OK.