Okay, I recopied the set and it appears to work now (cor comi, will try monkey2 soon).

I have so far only tried Curse of Monkey Island and Monkey Island 2, (both sets work with PC version). After a minute of play, I get thrown into the console with a script error, and then back to the XMB. (after typing exit). The error produced is: ERROR: (1:119:0xED): Unknown frame subChunk found : ...