That is what you have added before and it is set as the Footer. It seems that you had a website before and now try to add some stuff to it. If this is a problem you either need to have a new installation to avoid the stuff you added before.
Now regarding the footer you will need to go to Appearance > Widgets and search for the Footer 1 or 2 or 3 or 4 widget areas and there you will find a Text widget which contains an Image code which is the one you are talking about. You can simply remove the widget if you do not want that to show.
To set the columns of the footer you can go to X > Theme Options > Footer:
Kindly open up new threads for additional questions as it will help us to focus on each issue and give you a better support which you deserve. Having a long threads makes the maintaining job harder and also it will be harder for the other customers to find the correct information if they have similar issues. You are always welcomed to reply to this thread to follow up the same question.