Do you want to write an extension or some Custom Buttons code ?

First page to visit should be:
Mozilla Developer Center contents

A button with menu for all relevant Quick Macros links.

Button for showing the bbcode menu.
The BBCodeXtra extension is required.

It would be cool to have a module for documenting an own setup.Maybe this should be implemented in the profile generator.But you can show all enabled modules with 'Used modules'.

How to fix the 'sec_error_untrusted_issuer' error.

As site admin i don't want to be counted on nodes.

So i made i quick search on drupal.org.

Here is a solution:
Statistics: exclude admin from content view count | drupal.org

You have to modify the statistics module,
which might be a bad idea, because with the next Drupal update
your change will be gone ...

Flash embedding with simple syntax like:
print swf('mymovie.swf');
and filter syntax like:
<swf file="mymovie.swf">.
Allows you to convert a list of files into a playlist and also includes
an helper functions to streamline various tasks.

SWF Tools | drupal.org

General howto on drupal:
Playlists... | drupal.org

Basic embedding

use that to find out if all path are correct.
[code] print swftools_get_player_path();
print '

how to use the pro and con module.

when installed its available in the advanced options (Comment and argument settings),
there might be also a some info in the help section.

hide custom button links for non firefox users

I use a javascript function to display content when you
visit my site with firefox.

i need to explain that.