How do I add a picture to my classifieds Ad?

How do I add a picture to my classifieds Ad?
1)Log into your account
2)Goto Classifieds page
3)Select "My Account"
4)On Inbox menu choose "Edit Ad/s"
*A list of your current adds will be shown
5)Press "Edit Ad" for the Ad you wish to add a Picture to0.
6)Press Post Ad
7)Choose upload photo with Ad
8)Browse the picture you wish to add
9)Press "Finish Ad"