It seems more likely that she would be concerned about you showing up regularly when she is laying out, or watching her kids, than for her to be concerned about the tobacco. You are, in fact, a stranger to them. Pass on trying to get a photo. That would officially move this into freaky territory.
Ultimately, it is your yard to do with as you want. If they want more privacy or less smoke, they can either plant some shrubs of go inside.
Ultimately, it is your yard to do with as you want. If they want more privacy or less smoke, they can either plant some shrubs of go inside.