To display a big, full-width image [shown below] right above your footer:
- Go to Site settings → Background image.
- Click Choose File and upload your image.
NOTE: There will be Facebook and/or Twitter widgets on top of this image if they've been set up correctly and you haven't disabled this feature by following the instructions here.
Footer Image Guidelines
Similar to background images, this image should be in .jpg format and ideally not larger than 500kB.