I'm not sure what you are asking right now, but
There are 2 (incompatible) versions of xfce4 around here.
My feed has become a mix of them and therefore not very usefull.
The most recent files are
over here. (it's not a feed - download and install)
If you want to add thunar, it's in the "parent dir" of the directory pointed to above - make sure you add libexo as well.
If you installed other things (probably a mixture of both versions), you'd better uninstall them all and restart.
Plugins compiled for xfce4 4.2.2 are not compatible with xfce4 4.4 !!
Your settings : they are saved in ~/.config , backup this dir to save them.
Have fun,
Chero.