Update: This block has been removed from the repo, not sure why, you can still grab the cached version here, but since I am not sure about the reason for this takedown I would not advice using this plugin for anything other than testing purposes.
New update. I just realized the plugin is available on the repository again. I am not sure what happened, but I am delighted to see it again. I have not noticed any significant changes from the previous version.
One of the holy grails of blocks, as far as I am concern, is post loops. To me, this is the essence of dynamic blocks and over time I have used several tags to keep track of the blocks I review that include this feature in some capacity, most notably: