Custom html block for lateral columns

Hi all,
i got a question; is possible to add in opencart a custom html block in the lateral columns?
i wanna add a block to put my skype contact and other txt, or make a block with a banner inside.
Possible?

ThAnks

I found the module and is working fine, but i need more than 1 html block how do i duplicate it?

i am using this module:

http://www.opencart.com/index.php?route ... order=DESC

thank you