Shutter is the best screenshot tool I’ve used on Linux, comparable in features to MWSnap freeware tool in Windows.
I love the ability to capture a selection with the mouse after pressing a key combo
Snaptic package manager comes with shutter package list. So just install shutter from there.
Configuring Keyboard Shortcut on KDE
KDE Start>Type in:khotkeys or Input actions
This opens the Input actions applet.
Rt click>New>Global keyboard shortcut>
Title: Shutter selection
Trigger: Ctrl-Shift-A (Hold down the keys you want)
/usr/bin/shutter -s --disable_systray
Now, select ‘System Settings > Keyboard > Shorcuts > Custom Shortcuts
Click on the + button, and type:
Name: Select Shutter
Command: /usr/bin/shutter -s –disable_systray
Double Click on the far right coloumn where it says ‘Disabled’, and type your new keyboard shortcut.
Now when you click on Shift-Ctrl-A, you can select a part of the screen.