Regarding trail cameras, The ones with the infra- red flash are the best. They cost a little more, but the flash doesn't spook the game.
The warning about beeing careful is a valid one. The animal rights activists love to hear stuff about illegal activity, whether jokingly or not. They will use it as ammunition in their anti-hunting campaigns. A google search for key words/phrases is all it takes. Then bingo, your thread is being read by a radical animal rights activist.
They even go as far as starting contreversial threads on the hunting forums in order to get hunters to "fess up" about their illegal activities.
The next thing you know, there's some cockamamie story on the news about hunters slaughtering furry little creatures with rocket launchers.