Kramer will add inbound links to a post on your weblog as pingbacks by checking Technorati and by monitoring incoming referrers.
It will show every post linking to your posts, in the form of comments or pingbacks. The blog post linking to yours does not need to ping your post for the comment to be shown in your weblog. This means that by default you can carry out conversatios between blogs.
Yes, the limit is 500 queries per day, per API key. It is recommended that the cache time is set to 4-6 hours.
The cache time is the time taken between reqests to Technorati for new inbound links for a post, for each post.
Simply edit your template, and at the position that you want the list of inbound links place
<?php kramer_inbound(); ?>