You can also search similar image via Google images search and Tineye!
Other tricks:
Ctrl+C to fast copy to clipboard
Ctrl+S - to Save screenshot to
Ctrl+D - Upload screenshot to server and get short URL on it
Announcements, news, updates, tips and tricks here: http://blog.skillbrains.com
Ctrl+F - Switch to Fullscreen mode
Ctrl+X - exit screenshot mode
Ctrl+mouse hover to select area - will copy screenshot to clipboard right after you will finish selecting