Entries on page x generates a link back to the archive page the current entry is on and makes it easier for users to retrieve the chronology of a blog.
If you’re facing any problems with Kaf’s excerpt_reloaded plugin, Luca has updated the plugin to work with WordPress 2.6.x onwards.
In The Loop Plugin add any code you like to your posts and pages, and not have to do any messy edits to your theme files either. The plugin provides an options panel with two input boxes. One is for content you want to appear before your post, the other for after it. Each box comes with a set of options to control whether to show it on Teasers, Single Posts, Pages, The Feed and whether or not to execute PHP.