smiley pushing the comment box

I am using wp_grins for both posts as well as comments. If any comment has a smiley, it pushes the comment box with border a bit farther if viewed with Firefox. It looks odd. You can see it here:

http://blog.cyberbrahma.com/2005/03/20/exotic-birds-in-rangan-thittu/#comments

I removed the border from the emoticons as Sadish suggested. But the problem persists.
Can anyone help me.
Thanks.