Just copy and paste the following code into your friend's comments.
Please include the hyperlink. Thank you!
<a href="http://www.iojo.com" target="_blank">
<img src="http://www.iojo.com/gifs/expressions/thanks_4_add/Thanks_4_Add_Mosh_Pit.gif"></a><a href="http://www.iojo.com" target="_blank">
<img src="http://www.iojo.com/gifs/expressions/thanks_4_add/Thanks_4_Add_Mosh_Pit.gif"></a>