A New Profile Photo?

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[Reposted because the ‘Let people answer this’ wasn’t enabled]

I need to create a new profile photo. You can see my current profile photo on Facebook, as the favicon on this website, or on my old Vox account.  I don’t want to fall into any of these traps, something I feel my current profile photo doesn’t fall into.

For a new profile photo should I do a simple headshot or does anyone have any other ideas?