Remove profile pic edges?

[Ghoul]

You are looking for this in global.css

.post .post_author div.author_avatar img {
    padding: 5px;
    border: 1px solid #ddd;
    background: #fff;
}

Remove the border on there to this.

.post .post_author div.author_avatar img {
    padding: 5px;
   /* border: 1px solid #ddd;*/
    background: #fff;
}