I'm not sure how that happened or who would have done that ... it seems to be something that happened 8 years ago. It's not really what that is for. I'm hesitant to even link a commissioner tag that way. Doing it with an oc really sends the wrong message - it ends up showing other people's art in their "recent art" gallery just because an oc tag is on the image. And it is not "their art". They don't own it in any way.
I'll ask the rest of the team about it. Might need to do some experiments to see how it actually works.