[Dietz]

Found over at SAS:
http://www.sas1946.com/main/index.php/topic,3238.0.html
They really improve Oleg's originals.Please read ENTIRE thread as it explains downloading from Russian site ( avoiding pittfalls of a Russki Bride or worse showing up at your house) and some possible glitches.These map improvements really make a difference when playing older single & campaign missions.
Proceed with care & as always save your current Mapmods folder before installing this mod!