list posts with avatar

I am currently using avatar-1.1.2, great development.
I am also using list-all-posts plugin, also great!

My question is: how do i show the avatar of each user next to there
post,when listing all posts?
How do i add it into the code below?
My Code is below;
<?php list_all_wpmu_posts(10, 30, '<br>', '', '<br>', '','show','hide','show'); ?>