The photo of your life don´t has to be up-to-date, but not older than 1 year, or you can also choose a photo of your childhood.
To make it more comfortable for everyone, you don´t have to nominate someone for the challenge every day in your daily post. Nominating is voluntary, but to share this fun, I would suggest to nominate some other Steemians from time to time, so that you can do this funny challenge together.
Your challenge ends when you reached the Monthy Author badget on steemitboard.com and then just make a final post that you finished the challenge. Info: The period for the Monthly Author Badget is always from the first of a calendar month until the last day of this month. 👌