Can't get rid of comments on my front page

Hi there again. I have a rather irritating problem. Even though I have unchecked the "allow comments" "allow trackbacks and pingbacks" boxes on my front page, comments are appearing. I use the front page to show recent network posts using the following code:

[globalrecentposts number="10" title_link="yes" show_avatars="yes" content_characters="160" avatar_size="48" ]

Is this relevant to my problem - or have I just done something silly elsewhere? My site is