What do you do about misspelling words in text boxes?  Well, you use the built-in Firefox spell check feature.  However, by default it does not work with ALL text fields.  That can simply be rectified though your about:config settings.

Just type in about:config into your address bar to get started.  Next, into the filter text [...]

The other day, when we were talking about bringing Chrome features into Firefox, the topic “searching from the address bar” was mentioned.  By default, when you type a word into the address bar by itself, it gives you Google’s “I’m Feeling Lucky” number one result. 

What if you just want to do a regular [...]

Are your pictures not looking exactly right after uploading?  If your using Firefox 3, you can edit your settings to make those photos pop and display even richer colors.  To enable Firefox 3’s rich color support you need to:
Step 1: Enter about:config into your address bar
Step 2: In the filter box, type in this string:
gfx.color_management.enabled
Step [...]

More of a pain than a savior, the toolbar the toolbar tip floating boxes of help and information in Firefox tend to hurt me more than help me.  Yes, I know the reload button allows me to reload the current page, I got it!
If you want to disable this feature, follow these steps:
Step 1: In [...]

Here are all of the useful (and not so useful, but still funny) about: triggers you can type into your address bar.
about: — The same page as “Help -> About”.
about:blank — A blank page. Useful for setting as your homepage.
about:cache — Displays cache statistics and disk cache directory location.

about:config — GUI for modifying user preferences.
about:crashes [...]

Well I have finally switched over to using Firefox 3 - RC1 and found this warning very amusing…

Now I just wonder how many people will really think Firefox has a warranty? :)

Tired of having Google as the default search engine in Firefox? Maybe it is another search engine’s turn to be on top?! If you feel the urge to dethrone Google as the default search engine for your Firefox search box - this is how you can get it done:
In your address bar, type [...]

Do you like it or hate it when Firefox decides to give you the left and right scroll buttons up on your tab bar to navigate through a long list of tabs?
Minimum Tab Width
One way of fixing this would be going into your about:config file and bumping down the minimum tab width so [...]

Want to get a little more from Firefox when it comes to backing up your bookmarks? Not many people know that Firefox actually does save backups (one a day) of your bookmarks. They should be located in your “profile” folder. On Windows XP that would be here:
C:\Documents and Settings\YOURNAME\Application Data\Mozilla\Firefox\Profiles\UNIQUEID\bookmarkbackups
You can change [...]

Firefox’s spell checker has saved my bacon a number of times. Before I had to search around for special tools and services to slap me on the wrist each time I misspelled mississipi..misissippi..Mississippi!
For some reason though, by default Firefox does not do spell checking in all text areas. You can fix that for [...]