Why dont you try getting a netnaira seller account. It's free! Check it out http://www.netnaira.com.

Check out http://www.nairamall.com. This site is quite similar to ebay.

You can create your own store in minutes. No technicalities required to integrate it to instant payment because your store is automatically integrated to netnaira (http://www.netnaira.com) and most of the card payment systems in nigeria.

Check out this sample phone store http://www.nairamall.com/SampleStore/index.php

It supports online shopping and delivery, instant payment, great site customization. It's all you need if you want to start selling right away.