Is submitting to blog directories worth it?

[madblogger]

Originally Posted by bobsxxxmovies

I get a decent amount of traffic from the following directories:

http://www.socioporn.com/
http://joy-scape.com/
http://all-adult-blogs.com/
http://www.pornblograbbit.com/

omg.. why don't you submit to this one???
http://www.mad-blogs.com
just try and you'll enjoy us

dont forget to use our ping feature to bump your blog up after each new post