The Shoot Your Screen plugin allows me to instantly save a screenshot by using the remote control for the receiver. No need to find a working network computer.
There are lots of features to the web interface, and if you do not take time to use it and learn it, you will never know what it is capable of.
I do like entering /grab to the ip in the web browser, and also think that is a great way to do things if you happen to be sitting at the computer.