Well, for example, here's what grunt-electron-installer's default install spinner looks like:
But that's boring, right? When I mentioned Bioshock Infinite / Old-timey ads I had stuff like that in mind:
and
It "feels" old-timey and it has some charm to it. (Then again I fully realize BI is a big game with a top notch art direction and a big dedicated team behind it, so it's kind of unfair to ask that level of quality for an inside joke from the community — but I'd really like to show a little bit of fun and showcase some of the awesome folks we have here. Ahh well we'll see how it pans out.)