Personally, I don't understand why people put up pictures of themselves at ALL. Like wedding photos.

Like... in my living space, I don't want to see myself. Then again, I also don't put up pictures of people as I don't find it works with my aesthetics. It's just my preferences. And if I have pictures of myself up... well, it makes me feel like I'm being conceited and vain. So I don't.

Keep in mind, I do have tons of photos of myself but I keep them on facebook - for friends and family. Not sure why I find that less conceited

Really, it's to each their own. I'd be way more likely to hang up a childhood picture of myself or a spouse than I would be to put up a more recent photo.