I am having the same issue. I have two banners both are 120 wide so that they can fit side by side. When I drop the plugin into my sidebar or even the PHP code into the sidebar template the ads are pressed up against each other with no space in between them. If I use the No HTML Wrap option with the plugin it will put a very slim space in between the ads but it is off center to my side bar. What would I need to do in order to fix this issue? My site is http://www.ryze-up.com. You will see the banner ads and how close they are and off center. Any help with this will be greatly appreciated. I do NOT know anything about CSS or HTML code to go in and edit so I will need some specific instruction if I need to go into this.
Thank you