Xfce uses multiple settings GUIs for setting the window border, controls, icons, mouse cursor theme and so on and it doesn't include any thumbnails. However, if you customize your Xfce desktop frequently, you can use a tool called Xfce Theme Manager which allows you to change the themes from a single GUI and it also includes thumbnails so you can see how the theme looks like before applying it.

complete Xfce theme (window border, controls)

window borders only

controls only

icon theme

cursor theme

change the wallpaper

Also, under "Advanced" (screenshot above), you can adjust various settings like backdrop brightness and saturation, window button layout, window title position, change the fonts and the cursor size.

customizable theme preview size: you can choose between huge, large, medium and small previews;

save the current theme (in case you use the window border from one theme and the controls from another theme for instance) which includes the wallpaper, font and so on;

install themes using drag'n'drop (the themes must be tar.gz archives);

reset the theme.

I did find one annoyance with Xfce Theme Manager though: when installing new themes, you must click the "Rebuild DB" (rebuild the themes database) under "Advanced" or else the newly installed themes won't show up or at least not immediately.

Install Xfce Theme Manager in Xubuntu

That said, let's add the PPA and install Xfce Theme Manager in Xubuntu:

sudo add-apt-repository ppa:rebuntu16/other-stuff sudo apt-get update sudo apt-get install xfce-theme-manager

Once installed, the application should show up in the Xfce Settings Manager.





download Xfce Theme Manager from xfce-look.org. If you're not using Xubuntu, you can

Other features included in Xfce Theme Manager:Here are a few more Xfce Theme Manager screenshots:Xubuntu users can install Xfce Theme Manager from a PPA.Alternatively, you can also build it from source (download link at the bottom of the post).