came back to a self portrait I started

My guess is that, very much like the Mona Lisa, this is unfinished.

Campi?

It seems that both s’s and s’ could be valid here, according to Merriam Webster

https://www.merriam-webster.com/grammar/what-happens-to-names-when-we-make-them-plural-or-possessive

It’s an ex belonging to one Cyrus.

Why is Ghana listed as Somalia?

Yes

The checked baggage one might make sense if it’s saying that passengers with only checked luggage should exit first. Those passengers would not need to rummage through the overhead bins. The idea still ignores the problem of other passengers themselves taking up space when shuffling around getting out of seats to do this, though.

If it somehow worked, it wouldn’t make getting out of the airport any faster, but it would make getting off the plane faster.

YUT-sik-ah

https://en.wikipedia.org/wiki/Jucika

Thank you. I had forgotten Squilliam existed.

Six right hands and one left. We see four right hands and one left. Two are unaccounted for. Squidward must be packing.

What kind of glue?

Russian shish kebab, AFAIK. https://en.wikipedia.org/wiki/Shashlik