There is now a new adult writers site which hosts your blog called iblogadult.com, it`s a free host powered by WordPress MU. This site is brought to you by the people behind adultreview.net and has lots of features to offer as long as you post adult content.
It offers multiple template designs and many other features. And to encourage you to participate in the fun it also offers weekly cash prizes for the best single blog post and the blog with highest overall quality.
And with promotion of traffic in mind they also offer RSS feed aggregation.