You post rips by copying the ED2K link into your post. Of course it's always nice to have fancy covers, list of actresses/actors, IMDb link and screenshots(!) too.
Look at the Guidlines for each section and decide where to post it. If you pick the wrong section it will be moved anyway.
I hope you know how to use the phpBB tags. Look at any release post and try to make a similar one in quality (look). If you need more help, ask below.