Be choosy - if you have several pics of the same event, pick the best 1 or 2. We won't be able to use them all. There will be an online version as well as a paper one, so that might be able to use more.
You can see the pictures we already have at
https://drive.google.com/drive/folders/1zgF3zTYbW_AeIUxpeud-o7Rxx0T591Lw?usp=drive_link (They are transferred manually, so yours won't appear straight away)