A brief screenshot tour of the Peppermint Nine desktop showing the new menu, some features and some applications including Ice and some Ice-created SSBs, the Nemo file manager, and some other tools/utilities/options. Most of these screenshots were taken with the default "Peppermix Dark" theme applied, but there are other themes that can be applied via:-
menu > Settings > Customize Look and Feel > Widget (tab)
Choosing one of the other themes from the list in the left-hand column, then clicking the "Apply" button.

Default Desktop
Default Theme
More Defauls
Themed in pink
Themed in green)
Themed in purple
Themed in orange
Themed in grey
Themed in blue
Mixed theme (all colors available))
Light theme (all colors available)
Gnome Software