I noticed there are still some problems with the new patheme-file format. So I made a small tutorial about installing and creating themes for PAP 2.0 beta. It can be found here:
(It's still in german yet. If somebody wants to help me translating it to common english I could send a rough-and-ready version).
Have a nice day,
Now it's available in english, too.
But terribly. I better had to ask Yoda for a translation.