Popular stencils
State-Event-Fault-Tree Stencil
This stencil can be used to model state-event-fault-trees. On the one hand, according state machines can be models easily and on the other, it provides skeletons for the event-tree part. It uses the ISO-Icons for AND, OR and NOT.
Outfits
Stick-figure Outfits(I guess). This was a bit of a distraction for an hour. Someone could have some fun with it... creating hair-styles, etc.