I suggest there be a way to post "Submission Links" in a user's gallery.
What is it?
A link would look like a normal gallery image thumbnail, but it would have a shortcut indicator.
What does it do?
When a random viewer clicks on it, he gets redirected to a submission in a different user's gallery.
Why is this good?
Basically, it's a better way to post commissioned/gift artwork. Submission links would eliminate a lot of other problems with the current system, such as double posting, double favorites, double comments, people shouting to go check out artist's gallery etc.
How would it work?
Let's say UserA comissions UserB to draw UserA's character (ArtA).
Here's how it would work:
1. UserB posts ArtA
2. UserA clicks Submit. There he gets a new option "Submission Link". To create a submission link he needs to paste a link to ArtA.
3. UserB gets a notification/request that UserA wants to create Submission Link to ArtA. UserB accepts (can accept or decline).
4. ArtA(link) is created in UserA's gallery.
There should also be an option to convert existing submission into submission link.