This August we're having a photo a day challenge. It's gonna be awesome. Of course. Why? There's actually a few reasons. One, it will be fun. Two, as talked about in our article on the 3 Good Things concept, people are happier when they show gratitude and appreciation for the things in their lives. Many studies have also shown that images are a more powerful way to do this than words. So, we made a list of 31 things to take…