Also check with your county/state. My county has photos taken by aircraft that are very detailed. You can see upturned trees, houses, cars, golf carts, etc. I'm sure you could see people.
The county sells copies for $5 or so. The copies are real could but they show property boundries and such. The origional photos I saw where amazing. The copies are something like 2 feet by three feet. Drafting paper size I used to use in high school drafting class.
Hope this helps...
Dan McCarty