The Internet allows the creation of a peer reviewed online journal, such as Images in Paediatric Cardiology, at a fraction of the cost of a conventional journal. Furthermore, an online journal can display a multitude of images and other multimedia material (such as audio and video files)--a feature not available in a conventional journal. The issues of creating such a journal are explored, along with the issues of online publishing, including copyright and peer review. Current proposals that may affect copyright and peer review in all journals are also outlined.