Find what section you want to post in, Newbie Central will get you the most help. Post New Thread is in the top right corner.
Click forums, top left. And click the title 'Newbie Central' , its the second choice under 'The Grow Room' It looks like you have found it already.
When you are there, click the Post New Thread to create your own subject/thread, top right, for people to help/discuss.