WP-O-Matic is the best free plugin available that will help you to set up an autoblog. Once you have set it up correctly (you can do this by reading How To Make An Autoblog) your blog will update itself with fresh content automatically taken from RSS feeds.
- Campaign feeds allow you to set-up multiple feeds updating multiple categories.
- All RSS and Atom feeds are supported.
- Automatically discover feeds without even knowing the exact address thanks to Simplepie.
- Cron jobs allow to set the exact time that feeds are fetched. Unix and Wordpress supported.
- Easy to use interface.
- Word rewriting. Allows you to automatically rewrite a word in your content to another. Great for SEO purposes.
- Word relinking. Turn words into links to your other sites automatically.
- Post templating. Makes it easy to add adsense into every post, making you money.
You can download WP-O-Matic directly by right clicking here - WP-O-Matic.
Alternatively you can download WP-O-Matic from Wordpress here - http://wordpress.org/extend/plugins/wp-o-matic/
A third option is to download WP-O-Matic from the plugins portion of your dashboard on Wordpress.