More of the word press platforms don`t accept new members (outside the list), but have many sites installed on SE4 platforms (social engine), that auto accept blogs. Just search google for :
"What's New"+"Network Stats"+ Home Members
You can use automator software for scraping urls and checking page rank, but on this search you will see how many members have current site and more.
This is very easy to create imacro for autoposting to this sites. Good idea is to transform your article to audio and add it to this 2.0 sites. You can promote your youtube videos too.
