Open screenshot with a simple right-click on the desktop.

[100savage]

Open screenshot with a simple right-click on the desktop.

Create a file called screenshot.nemo_action and place it in your .local/share/nemo/actions/ directory
Note: the .local folder is hidden and located in your home directory.
Put the below text in that file

[Nemo Action]
Name=ScreenShot
Comment=Save images of your screen or individual windows
Exec=gnome-screenshot --interactive
Icon-Name=org.gnome.Screenshot
Selection=None
Extensions=any;
Conditions=desktop;

Open a terminal and type the below command to restart nemo
nemo -q

Right-click on your desktop and select screenshot