Fabio Albergaria Dias opened up a new website containing maps for MSX games. Fabio has five maps available already to start with: El Capitan Trueno I, Terramex, Camelot Warriors, Godzilla and King Kong 2. You can find these maps, which are all made using blueMSX, in the download section of his website. Fabio reveals the secret parts of King Kong 2 in his map which hasn't been done before.
Relevant link: Fabio Dias' website