Download the gifs from Civilisation 3 modding sites.
The generated UOP files are Michelangelo file formats (the UO editing tool). They are not the same UOP as the UOP files which replaced Mul files in the recent client versions!
The generated UOP files are Michelangelo file formats (the UO editing tool). They are not the same UOP as the UOP files which replaced Mul files in the recent client versions!