[Thug]

1. i created the new template called
memberinfo_block_test
i added the plugin

Called "member_build_blocks_start"

eval('$template_hook[profile_right_first] .= "' . fetch_template('memberinfo_block_test') . '";');

i then opened MEMBERINFO
added the block like below

<div id="sidebar_container">
<!-- sidebar -->
$template_hook[profile_right_first]
$blocks[test]
$blocks[stats_mini]
$blocks[test]
$template_hook[profile_right_mini]
$blocks[friends_mini]
$blocks[albums]
$template_hook[profile_right_album]
$blocks[groups]
$blocks[visitors]

$template_hook[profile_right_last]
<!-- / sidebar -->
</div>