In admin cp,
Login, change password, logout
Displaying registered users / banning some registered users
Adding category, first level subcateogy, second level sub category
Edit and delete feature for all.
Payment details needs to show all receipts from PP and my site and AD
All main features and the main theme retained in Front of site eg Countries and cities of the world.I wud like to add , delete text, images, videos etc. Maybe like what u said u cud do a [url removed, login to view] style images /vids in ADVERTISE pages
In Advertise there shud be a currency convertor inserted from maybe google to convert major currencies.
A detailed payment system from users and money received from adverts.
Hyperlink option to other sites that i may create. Logo changing option(Small jobs)
Paypal integration into system
There should be automated notifications for users
After finishing pls check browsers compatibility and make it hackproof