If you are in taking screenshots every now and then try this tool on Ubuntu – Shutter. It’s very very powerful and has a plethora of features to meet all your needs.
- Capture a specific area, desktop, window, menu or tooltip
- Capture a website
- Edit captured image in image editor
- Share online
Shutter’s only drawback is its high number of dependencies.
To install Shutter on Ubuntu:
$ sudo apt-get install shutter
Another desktop screenshot tool that can add reflections and perspectives is screenie.