on the Site Sculptor support page, there is a tutorial for updating Site Sculptor to use Power CMS 2.0.1. the latest version of Power CMS is 2.1.1 though, so there are a couple extra steps that are not listed in that how to.
follow through the how to, then also complete these steps:
1) From the Power CMS Download files, open the /Templates folder. Copy the Admin.dwt.php file and the Themes folder. past those into the /Templates folder on your server.
2) From the Power CMS Download files, Open the /WACMS folder. Copy all of the files in this folder and paste them to the /WACMS folder on your site to over write them.
3) step 10 - 12 of the how to has you copy the CSSMenuWriter/cssmw/menu.css file, you should copy all of the files in the CSSMenuWriter/cssmw/ folder from the Power CMS Download files and paste them to the CSSMenuWriter/cssmw/ folder on your server.