The basic overview: 1. * The rules and guidelines as outlined in the file use policy also apply to images. 1. * Use the correct format: 2. * JPG - for photographic images, such as screen captures. 3. * SVG (preferred) or PNG (if no svg is available) - for diagrams and other low-contrast images. 4. * Don't include any watermarks or text in the image (this includes copyright notices; those belong on the file description page). 5. * Unless Memory Alpha has explicit permission to use a promotional image of an actor (or such), it may not be uploaded. 6. * It's generally not necessary to resize an image, as this can be done when needed by the wiki software.