Latest WME version: WME 1.9.1 (January 1st, 2010) - download
You can make another region on top of the stairs left, and use other scaling options while actor is in that region to avoid that the actor is getting very small while walking up the stairs.
http://www.kornelkori.sk/img/mid/683/hot-chodba-4_zmenit-velikost.jpg[/img]]How can I make perspective ? Is it possible at wintermute engine with this picture (background) ?