If you don't already have mozilla, download it here.
Right-click on a link, "Open in new tab"
In Edit-preferences-tabbed browsing, you can set it to use control-click, or middle-click to use a new tab, both of which are very useful
Edit, preferences, privacy, popup windows, then tick the box "block unrequested popups"
Right-click on the image, then "block images from this server"
AdBlock filters images by URL or filename, so you can kill anything with an adverty-sounding name
BannerBlind lets you block images which are the exact same size as the standard banner adverts
Press F6 to put your cursor into the URL bar without having to use the mouse
To search for some text, just press / and start typing. Press Ctrl-G to go to the next match, or Ctrl-shift-g to search backwards
network.protocol-handler.external.mailto
go to the about:config URL, and add this setting, set it to true
In GNU/linux, there will be a .mozilla directory in your home directory. (it may be hidden, because it starts with a dot) -- in there, there's a 'default' directory, followed by a directory with a random name (bi363sj2s.slt or something), and all the mozilla data is within. Preferences. User-stylesheet. Email. Cookies. History...
In Windows, the directory is
c:\windows\application data\mozilla\default\...
In Win2K, the directory is
c:\documents and settings\myname.domain\mozilla\default\...
It should be possible with the user stylesheet, but it doesn't seem to work for <embed> tags. So for the moment, I'd reccommend privoxy
The other main flash blocker is here
Apparently, you can use about:config now
Store bookmarks on an FTP server
Try LiveHTTP Headers
Right-click, 'show page source'
Right-click in a frame, 'frame' menu, 'show frame source'
Select some text, right-click, 'show selection source'
EnigMail lets you use your PGP keys, and send PGP-encrypted or signed messages. You will need to install GnuPG first
Download the latest version of Mozilla. Version 1.5 and later will have spell-checking enabled by default
In linux, the system font size can look quite small for the URL bar and menus. Create a file called /home/yourname/.mozilla/default/.../chrome/userChrome.css, and add something like this:
* {
font-size: 5.0mm !important;
font-family: bitstream vera sans !important;
}