It is in the XML files of the skin you are using.
Yust right click on the Skin folder and search for "flipy=true".
It is alot of work though.
I have uploaded the skin i used with skiny removed to rapidshare.
This is Spinsafe revolve
http://rapidshare.com/files/66253420...skinY.rar.html
This works fine for me with the x1250 gigabyte board and catalist 7.10