Here is a video on how to add outside content to Page Builders. Please note that if you are having trouble we've discovered a minor glitch. If your box is larger than 12" the "Replace Image" button will not come up. Simply change the object width/length in the object info box to 12" and it will work.
*Please note there is no audio on these videos*
If you are having problems seeing this video you can watch it on YouTube here