Wears off, sun wrinkles it, weather. Grinding the digit is better.
leave it. those that knew him won’t take offense and those who don’t know him shouldn’t. it is just a picture and not that noticeable... unless one is looking to be offended.
i plan to have my bare ass carved in a stone so those who thought i was an ass when i was alive, can kiss my kiester in the ever after.
it helps that my last name is blarney...