Installing nemo is quite simple. If you used the amd scripts it is already installed.
sudo pacman -S nemo
Then you set nemo as the default application via "exo-preferred-application" or via the menu "Preferred Applications" if it is not already set.
How to get a preview of images?
There is a treshold to change.
RIGHT mouse click on nemo
terminal does not open
Solution 1
Nemo expects gnome-terminal to be installed so install it with
sudo pacman -S gnome-terminal
Tip : there is also a transparent gnome-terminal called "gnome-terminal-transparency"
Solution 2
We want the standard terminal "Termite" on Nemo.
We found the solution on the wiki of Arch Linux at https://wiki.archlinux.org/index.php/Nemo
gsettings set org.cinnamon.desktop.default-applications.terminal termite
RIGHT mouse click on nemo
add compress and extract
funtionality
There are more nemo extensions
Type "sudo pacman -S nemo-"
and press twice on tab