On the Don Cheadle Trail (damnit, never going to remember the actual name), I set up my tripod and timer so we could take a group shot.  We scrambled up the rocks a bit to pose so it was a mad dash for me to get from the camera into the shot in time.
Here's the final shot:
 
You'll notice how great everyone's smile is.  That's because they aren't smiling, they're laughing.  Why?  Because 1) They got to watch me nearly kill myself about 6 times running across those rocks and 2) this was the attempt immediately prior to that last one: