Easter Eggs of Skyrim, Should be organized and thrown in with the others.

Star Wars: When you walk past Fort Greymoor. Sticking to the south side of the small snow cappe dmountian to its west side. You will see a Mammoths Skeleton corpse. And inside a human corpse. Possibly a reference towards Star Wars, when Han cuts open the Ton Ton to keep Luke warm.

William Tell: Inside Swindlers Den, when you go to meet the Al'kir warriors to kill/talk to the leader. You will see a practice dummy with a few arrows in it. Atop its head dons an apple.