It always does (when you upload the artwork, and in order to be displayed in artwork showcase it should be public), but that's okay, what's more important is that your profile looks even more beautiful now!

I just don't know why this has been displayed full-size in the activity feed, though...

Hey luckz! This picture will be displayed on the artwork showcase on my profile.
In order to perform long artworks/screenshots, you'll need these resources:
Tool: https://steam.design/
Guide: https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=748624905:VHtx0UmTeRWAn5JYdbKfDyApMhI

Whaaaaaaaaaaaat