If the photographer uses the photos they created at your wedding as publicity on their website, or if they sold prints widely, or if they set up something like

If the photographer uses the photos they created at your wedding as publicity on their website, or if they sold prints widely, or if they set up something like a stock photography business ... you and your spouse would be models/actors, and your poses would be modelling/performances. There ought to be some remuneration for your efforts in those situations.