(2nd part)
Import Issues:
Please upload the dr. mario logo images that would not work here so i can analyze them
Of course, here are the different variants of the Mini Logo:
Dr. Mario - Mini Logo (Images).7z [Mega]
Although it is unrelated, I also want to share a PowerShell script that I created with the help of AI. This script recreates the cleaning process I usually perform. Honestly, I doubt it will be very useful, but I am happy to have accomplished it 🤗
Thanks! It seems that while most graphics editors settle for PNG-8 for indexed formats regardless palette count, at least Fireworks will optimize for the unusual PNG-1 format. It's plausible some other editors i don't know of do that too.
I've added handling for importing 1-bit PNG images, it's going to be in the next release.