Information as minimum requirement to be written.
A: File format - JPG The most common file format with a white background
or PNG WEBFORMAT is with transparent background
B: Pixel Size - Pixel size can be anything you want f. Ex width 1000 x height 1200 pixels.
These two information covers most images
Information which can be written.
Others want a margin or vertical adjustment, or if you want the images in 2 sizes.
But everything is possible to write. If in doubt about something, we send you an email
Help for filling in information about image formats & messages