I’ve started to set-up a gig but I it looks like I can only upload three images of my work. Most people have more than this, even non-pro’s??
In every Gig you can add only 3 images always, 1 video and the last two fields are for PDF actually that look like image on the profile. So what you can do is convert 2 of your images into PDF (make sure the PDF is less than 50mb in size) and then you can upload those in the last two slots of your Gig gallery
If you are talking about more in their images section, that is because they have the gallery turned on. With that, be sure when you complete the order you attach a video or picture along with it. If your buyer allows, it will show up as an additional item on your gig.