Welcome to CAF!
I don't remember, nor care to look up the rules on this site about pictures, but I can't say I'm not curious to see the effect of the oak.
Though you're not Catholic, you might consider a walk in to the local Catholic Church, see if you can speak to a priest.
The worst thing that could happen is you have an interesting conversation that would surely end with the priest praying for you.
Perhaps you leave with some information that may help.
For quick to-do's, you can scan the prayer intentions section for prayers to say, or google the St. Michael Prayer, or Guardian Angel Prayer.
St. Michael and your Guardian Angel are strong allies.