Medical Information - Education Information - Open Source Lessons Open Source Lessons have been around for years. Teachers and friends just share material without making copyright demands. We very much hope that people will contribute such material here. PHOTOBANK FREE (Recently Begun) Download Free Photographs. To save time there are zip files of photo chosen to be useful to teachers for creating interesting colourful lessons on a specific topic. Examples making: A cup of tea, Soft boiled egg and toast