Sketchbook & Portfolio Subforum?

Would it be possible to have a sketchbook subforum similar to conceptart’s:
http://conceptart.org/forums/forumdisplay.php?f=41

We have the WIP and finished work forum but these are really only for one piece, it would be nice for a user to have one thread where he could keep posting.

In a similar line, although portfolios should be published somewhere else, it would be nice to have a portfolio subforum where users post all their final work and perhaps make it so that only the user can comment on the thread making it just images.

The reasons for these two subforums are that its hard to see user progression and sketchbooks in conceptart help improve a users work through correction and mentoring from more experienced users which although the WIP forum can provide I often find that work in this area gets lost quickly over time.

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