As the axiom goes, 95% of an artist's work is crap. The morgue is where I put works that aren't quite good enough to go in the portfolio but still have some merit.
Digital art. Site designs, sticker designs, book covers, and just plain goofing around.
3 sketchbooks to choose from ranging from 1995 to present. Warning: contains studies of human nudes, so if you're offended by nipples, don't look.