Question: On Facebook, what are people (my Facebook Friends) trying to advertise about themselves?

When going through my timeline to pick the first 54 people I saw as my subjects for this project, I suddenly started categorizing people as: artsy, adventurous, friendly, etc. I wondered "Is this what they wanted my first impression of them to be as I stalked their profiles? Because it seems like they're trying to advertise something about themselves through their profile pics". And with that, I developed my question.

Judging by how well I know the people and what I see in their profile pics, here's what I found: (Note that people can show up in multiple categories)