Its fun to spice the play dead trick up too!
We recently graduated a Trick dogs class and decided to do an old west shootout for graduation. We dressed up in costumes, my puppy and I had "guns" and we stood back to back (I) walked three paces, turned and SHOOT! with her dropping to the ground.
Sometimes just adding a few silly things can make a trick much more fun.
Spinning in a circle is easy and fun, also teaching how to follow your hand through your legs as you walk (weave in and out) is pretty easy.