The Saxxies are great - don’t get me wrong. But it is the way of copyright law to stamp pop culture reference into the carpet of obscurity, and Valve are left with little choice but to ban some of the wildest and wittiest Source Filmmaker creations from participation.
Case in point: Queen Fortress.
Best bit: when Blu’s Scout mouths an unmistakable "what-the-fuck". Animation, ladies and gentlemen.
And if you find your appetite whetted, here's the Heavy channeling Robin Williams:
There’s plenty more where that came from on Steam’s Source Filmmaker page. Do you have a favourite?