I'd like to add something to this thread that some may really appreciate.
I've tweaked a ZooKeeper artwork file to blank out the horrendous fit inducing flashing. These settings will be required for MAME, and I can confirm it works fine with WolfMAME to allow INP recording.
Tab > Slider Controls
Screen Horiz Stretch - 1.096
Screen Vert Stretch - 1.114
Screen Vert Position - 0.008
Resolution of PC - 1920x1080 (May look off if not at this resolution) If so, just tweak the black sections in Photoshop.
Drop zookeep.png into your Artwork folder, voila!
https://ibb.co/pdXNpTg