How can I make potentially punishing realism more fun for my players? This could go for any number of things, but I've been thinking about all of the ammo that people have been shooting for the past n-years since the world went to shit.
In general terms, look at the genre and see how they do it. Specifically, use it to heighten the excitement.
When Mad Max's shotgun fires on a dead shell its either followed by a fist fight or it causes everyone to gasp and hope he's got a good round in the other
barrel when he cocks the hammer back. Alternately it suddenly deflates the tension when you realize he's just fucking with someone and wasn't really going to shoot them (although that's more PC side).
When Mal Reynolds is in a standoff with someone, pulls the trigger and is out of ammo there's always a pause for that oh crap
moment then he dives for cover.
In more game-style terms, when the PC fails a roll and you think a jam is a good idea, make sure its an oh crap
moment rather than just a you're wasted