Has your ad fallen down the list? It's easy to put it on the top of the list again. All you need to do is;
1) Click My Ad at the top of the page
2) Enter your ad number and password
3) Click Login
4) Click Preview
5) Click Submit
Your ad will now be on the top of the category list again!
You can do this again once six hours has passed to keep your ad in the top position!