1. A video communications system comprising: a) video imaging means arranged to produce first video images representative of a first scene; b) communications. means arranged to send information relating to said first video images and to receive information relating to second video images representative of a second scene, preferably via a network; and c) a video display means arranged to display video images to a user; said system being characterised by further comprising: d) image generating means arranged to generate overlay video images for display by combining respective first and second scenes of respective first and second video images such that they appear to be overlaid in substantial alignment.