We are using Campaign Monitor to send our emails and have discovered that the 1x1 image it uses for pixel tracking appears at the very bottom of the email, below the footer. This results in an extra bit of whitespace (not just a 1px border) at the very bottom of each of our emails in most clients.

Is there any way to set it up and control where the pixel image goes, or is the best way to address this setting the overall background color of the email to be the color of the footer?

Thank you.