WordPress.org

How do I add my own BBcode?

Please look under the Settings > BBcode.

How do I get the blogs URL into a tag?

[~URL]

Please ask and I will add any predefined variables like above in.

Are there BBcode Examples?

Below are a few simple ones:

URL Type 1

Tag (input):
[url]<1>[/url]
HTML (output):
<a href="[1]">[1]</a>

URL Type 2

Tag (input):
[url=<1>]<2>[/url]
HTML (output):
<a href="[1]">[2]</a>

Bold

Tag (input):
[b]<1>[/b]
HTML (output):
<strong>[1]</strong>

Youtube (SWFobject might be best, but meh)

Tag (input):
[youtube=<1> width=<2> height=<3>]
HTML (output):
<object width="[2]" height="[3]">
<param name="movie" value="http://www.youtube.com/v/[1]&hl=en"></param><param name="wmode" value="transparent"></param>
<embed src="http://www.youtube.com/v/[1]&hl=en" type="application/x-shockwave-flash" wmode="transparent" width="[2]" height="[3]"></embed>
</object>

I'll be sure to edit this later, but once you get the general idea you can basically just add your own.