WordPress Image Gallery
FooBox works with your native WordPress Galleries right out of the box. There are just 2 simple steps to make sure your WordPress Galleries load in FooBox correctly. First, you need to do is go to your FooBox settings, to the General tab, and in the "Link to" section select "WordPress Galleries".
Next, you need to make sure that when you create your gallery that you set the images to link to "Media File", and not "None" or "Attachment". This is set on the "Edit Gallery" page after you have hit "Create Gallery". Here's that screenshot: