Mega menu with images

[jrofgoz1]

I'm trying to add images to the mega menu on my site- I followed this video : https://www.youtube.com/watch?v=wUWo39swCC4 which worked great. I want to have two main tabs in the menu - one with images when expanded and the other just a regular list. Could someone advise how I could alter the code provided in the video or write up a code that will only apply the new image settings to Headermenu-2 and not the entirety of the mega menu. Thanks!