Nice to see it would be appreciated.
I'm not really a skinner myself.. if you skin only a small part of the interface, do you need a full skindefinition.xml or only what changed?
BTW.. right now, there's tons of bad things in the XML.. Unclosed tags and things like that.. I wonder how I'm suppose to deal with all those errors..
I'm currently reading a corrected xml that I did and it work well. I can see the panels just like Einfield's ones. I just can't edit right now. It was only a proof of concept..
About your edited graphics in the editor, would it be helpful even if it only show the PNGs with the same name then your futur TGA?
The save feature will save directly in the skindefinition file.