So here's the other thumbnails I've gotten my faithful-recreation hands on tonight so far:
PuffballsUnited asked me about Infiltrating the Airship's thumbnail, and I said all the Henry games were upscaled but someone (I haven't looked back to see when ItA was done and I'm not dissin' their choice of thumbnail) went with the Airship with the game's logo which conflicted with the rest of the game's thumbnails, which didn't have logos.
He said to nix the logo, so I went back to see what the thumbnail was originally back in 2013...
...and Puff signed off on this one!
Here's what it was originally: