How to place a call link to my Skype account 

The best method is to use the call buttons at Skype:

http://www.skype.com/share/buttons/

Once you've filled out your skype name and chosen the button, you can copy their HTML  code into our HTML/Javascript plugin.

The button could look like this: 

You could also create a simple text link by copying the following code into the HTML plugin. Just change the name "johndoe" to your skype name.

<a href="skype:johndoe?call">Call John Doe</a>

Example Link:

Call John Doe