I have actually tried this already, if you look in the Digital Art section I have made a thread to put all my art in.

The problem is, when you see those massive tag walls, those are usually people just joining, and they want to show off things they have made, and then after that it is just their newer work. I would like to have a sub forum put in to at least the digital art section that can be used as a portfolio, but we need some changes to happen in order for that to happen.