User blog comment:Zepekinio25/Monster Girl Quest : Servant of the monster lord/@comment-16126092-20170202135704/@comment-24213553-20170202182404

" all the images are in Bmp format and always making this green white background behind the characters causes lots of graphical bugs"

? There is the built-in *.png and *.jpg support in NScripter. And there are 4 transparency modes.