To make N on the message board:

Click   and where it says f=arial take off arial, and put wingdings in its place. For your text you put N. It has to be a capital N.

To post an URL:

Most of the time if you put the URL in a quote box it will let you post it. To use the quote box click on .

The hidden chat board is:

http://www.neopets.com/neoboards/boardlist.phtml?board=18

To post a topic on the Hidden Boards:

1) Click on New Topic.

2) Put the following text in the web address bar, and then hit enter:  ( just the following text goes on the web address bar, nothing else )

3) After you do that a box will pop up that says object, just click ok

4) Then pick your board name from the drop down menu of board names.

( The above information came from the site Html Stuff)

To get onto an Invisible Board

To get into the invisible chat boards (the ones that have no topic), you need to highlight the topic above the invisible one, then press Tab three times then Enter and you will be in it.  Credit: pj__lang
 

Decode and Type WingDings:

Some people on these board use a font called wingdings that looks like this when they type:

this is how it looks.

To see what it is that they are saying highlight and copy the symbols. Then paste it in the box where you type your message to post.

To type in WingDings just set your font type to wingdings when you go to post a message.

To change you font type click on .