I believe, you need to moderate your services more frequently as I come cross some people are just posting there without any requirement of trading.
Yes, some people are posting like
I NEED MOOLAH ,
Do ads get moderated?? ![Shocked](https://bitcointalk.org/Smileys/default/shocked.gif)
. Abusers are everywhere.
Between, I like to know how to remove the post after completing the required trade. I am sorry I could not find any option to remove my post. Nice interactive services in overall.