"The cut scenes are still at the top of the screen, with a black border. If you say you tried the PIP method"
There is alternative, you can use ffplay with :
"FFPlay -quiet -gui 0 -fs -autoexit"
or FroggerNG:
"FroggerNG.68k FS AUTOSTART autoexit freqdiv=1"
You need to set Channel to 2 i Unit 0 in AHI for audio in players.
"...sometimes the harvester gets stuck in the refinery and doesn't come out..."
hmm, I haven't noticed that...
"The map area leaves the green border on the screen when moving around, which eventually covers the map in green"
Yeah noticed, doesn't happen on v4. I'll see if I can fix this next week.
"I just beat the whole game"
Woohoo! game can be finished, yeah ! :)