javierjara

This plugin adds a simple widget that you can customize easily it allows you to display a number of recent blog posts from a specific category. You have the options to choose a title, category, number of posts and whether or not to show the post date or to show the image featured (Post Thumbnails).The posts will be ordered by date just like the default Recent Posts widget included with WordPress. 
check the category you want to show.

Custom Recent Posts Widget Plus

Nice widget it is like the default Recent Posts widget except you can choose a category and in addition show the thumbnails.

Eugen Bobrowski

News In Stack Widget plugin is developed flexible and simple to provide you maximum customization of your widget. Realy userful and helpful for developers.

News In Stack Widget

Just another recent post widget. Simple but flexible.

Custom Recent Posts Widget Plus vs News In Stack Widget