gbatemp.net/threads/how-has-vimms-lair-stayed-up-so-long.602783/
Lemme know if it works; I'm curious if it was really just the corrupted rom for everyone else as well. Also, comparing checksums is a good way to check if rom files from different sources are actually identical.
Sorry, I edited it out.
For anyone still searching: It's an older, reputable ROM site that has been active for 20+ years and even has a thread on the forums. Three versions of DS+, all with the correct cover, no Korg M01.
ATTENTION EVERYONE
Yesterday I actually found THREE fully functional ROMs of the DS-10 Plus on [*edit* - a website I can't name according to the rules]! Totally by accident. (I assume posting links to ROMs is not allowed here tho?)
I'm not sure if either I just got lucky with compability on the...