I think you're looking for the 'ad sidebar' sidebar.
I think you're looking for the 'ad sidebar' sidebar.
You can find it inside the /classipress/includes/functions.php starting around line 1021
Cheers
You need to upload the picture to your site. (If you have an ad to go there.) If not just upload any pic for practice.
Classipress / Media / Add New. Upload the pic. Go back to media then click on...