This pack took me more than three months to create. Three months of teeth grinding, hair pulling frustration! The biggest issue was the cd-audio going quickly out of sync. I ended up watching the intro to double dragon many times trying with different ways of processing the game image files. Even with the solution I ended up with the sound can easily drift out of sync but to a much lesser extent than the worst examples.
Still the effort was almost worth it, this is a very obscure system with some interesting games.