Logged in, but can't post a classified ad

I am new to the community and can’t see how to contact anyone about how to post a classified ad. i am logged in, so I have my e-mail and password set up, but can’t get past the log in page to actually post.
Ideas or help appreciated

User guides are in: https://forums.jag-lovers.com/c/user-guides-and-how-tos

There are two related to the classifieds.

First you need to register:

Then you can create ads:

Great, thanks a lot. Phil