iMobile is a free WordPress theme with options page. Supports the post thumbnails. Suitable for any niche especially for mobile phones or gadget sites.
Features
* Easy to use options page
* Featured Image Ready
* 125×125 banners ready (easy editable from admin options)
* Compatible with latest WordPress versions
* Widgets Ready
* SEO Optimizedy
* Fixed width
* Gravatar on Comments
* Tested and compatible with all major browsers: IE, FF, Safari