This extension is easy to use. You only need to do are the next three steps:
Install the extension from TER
add the static template “timtab_latestcomments” to your main template
add the Plugin “latest comments” (tx_timtablatestcomments_pi1) on your blog.
Set the commentsPid to the sysfolder in which the comments are stored.
For configuration options see the section Configuration of this documentation.