Twiter likebox profile images

im using the twitter likebox plugin for WP on my website but none of the profile images have any alt text,
is there anything I can do about this?

<img src="" width="48" height="48">

Give them some alt text, maybe?

<img src="" [color=blue]alt="your text"[/color] width="48" height="48">


I cant find anywhere to put this code. I think the plugin must pull the information directly from twitter?