if you look on the left hand side of your home screen it should have a place that says become verified or something along those lines. youll get more bids that way because people will know your a serious seller
If you go to your name at the top right, click on it the go to my listia, scroll down till you're almost to the bottom. Look left under account settings you will see verify account or verify address account click on that and just fill out your info
When its verified the little badge next to your picture that says 'this users account has been verified' will appear. Right now it's greyed out. Did you complete the whole list?