Practical notes for collecting guest photos.
Set up the QR code, avoid shared-album dead ends, and make it easy for every phone in the room to contribute.

iCloud Shared Album Invite Not Showing Up? Common Fixes, Current Limits, and Alternatives
Where iCloud Shared Album invitations appear, how to resend them, current 2048px and 100-subscriber limits, what Android and Windows guests can do, and five ways to collect event photos.

QR Code for Wedding Photos: The Complete Setup Guide
How to collect wedding guest photos with one QR code, including where to place it, how big to print it, what to write on the card, and how to choose a reveal mode.