WordPress uses queries to run a loop and show specific data. Whether you want to show 100 posts from the year 2009 or 5 posts from the Movie category, or a combination thereof, you need to build a query to do it.
Let’s welcome Query Posts to the stage.
This plugin adds a widget to your arsonal of widgets, to let you build any query you want.
It hasn’t been updated in quiet some time, but it’s by a very trust WordPress theme designer and plugin developer, Justin Tadlock. So if there’s a problem with it, you can rest assured that he’ll be quick to fix it and publish a new version.