How about a new section called simply, "Copies"? (and it would be clear that nothing in this section would be original).
I do think of the "Critique" section as containing only original works and any copy posted in this section doesn't work for me.
Heck...I'll even post one of my copies sometime. I have a ton of 'em (and some of the early ones are really awful...proof, I suppose, that eventually I learned something by doing this)
