Where to download Wallpapers Samsung Galaxy S9?
For starters, let's see what they are (a couple of examples).
Download Galaxy S9/S9+ wallpapers
After downloading, save to the “Pictures” folder, set it in settings and enjoy the new Wallpapers.
How to install Dex_KDE icons in Linux Mint?
Although from the name of the icons you can understand that these are icons for the desktop environment KDE Plasma, but the icons will work in other editions of linux mint.
Download the icons from the link below
Dex Icon Theme
tar -xf kde.tar.gz
sudo cp -r Dex* /usr/share/icons/