Topics:

General...
List and drop down...
Keyword editor...
Starting multiple keywords/urls/files/programs etc. with one keyword or text input...
Power users...
Optimization...
Portable (like running from an usb-flash drive)...
Note: that these tips require you are running the latest version. Also this page is updated often, so come back for more tips.

General...

List and drop down...

Keyword editor...

Starting multiple keywords/urls/filesystem/programs etc. with one keyword or text input...

Power users...

Optimization...

Portable (like running from an usb-flash drive)...

Finally the help section also provides lots of useful information. The help section probably has all the above, just broken into a more syntax like description.

Have a nice tip not listed here ? mail it to me.