The participant information can be prepared using any spreadsheet tool like Microsoft Excel or Google Sheets. Each row should correspond to 1 entry. You may include the participant’s name and other details in separate cells.
The background and mosaic overlay images should ideally be in JPEG format, recommended to be less than 700KB for efficient performance. The resolution of the image(s) should follow the live stream or projection resolution that you are using. In most cases, live streams are now running on a 16:9 ratio, e.g. 1920px * 1080px.