Blog.com is a ready to use free blogging service similar with Blogspot.com or WordPress.com. It has superior features such as: THE best domain, multi-author blogs, service integration, multimedia support, widgets and menus, search engine friendly, etc
Blog.com uses WordPress as their blogging engine, and they always work on providing the best WordPress themes for their users.
WordPress themes made by WPCharity used by Blog.com are: Mentawai, Merapi, Sawojajar and Titimplik
Demos from the themes are available below: