I have a question (cannot run the script at the moment due to an error, but I felt I should ask anyway):
As I understand it, you dump the necessary .png files, take a screenshot of the same area, and the script pieces the textures together into a single image using the screenshot as a guide. (If I am wrong, let me know, of course), but how does this work if there are other objects blocking the background that you cannot get out of the way?