Here's an example:

That's the image how Texture Finder made it(with pixel format "332=8"). After some tweaking with irfanview I got this:

That's almost it. Here's how the image should look like btw:

It seems like a problem with the palette. So, an ideas how to get from the first image to the last?
Incase you want to take a look at the file yourself. Here it is.
