WPTuts is a free WordPress Theme by Wpexplorer that comes with support for the Wp 3.0+ menu system, background color changer and featured images.
Features:
Custom logo option
Featured images – with auto-resizing. Important: Use the Regenerate Thumbnails plugin to crop images already in your media gallery
Drop-down menus
Header ad spot
Widgetized sidebar
Custom Google fonts integrated
Homepage slider using custom post types – with custom URL option
Static tweet, like and Google +1 buttons on single post pages
Extended widgetized footer
Built-in pagination
Full width page
Clean and minimal theme that is easy to use and customize
Theme homepage, demo and download: http://www.wpexplorer.com/wptuts-wordpress-theme.html