The answer to your question is http://www.blackhatworld.com/blackhat-seo/forum-suggestions-feedback/25139-post-count-not-increasing.html
However, it is important for you to know that if we determine
that a member is making a bunch of short, irrelevant posts in
an effort to increase his/her post count, he/she may be banned
for attempted post count inflation.
Just thought you should know . . .
"Wiz"