It would be nice for people to submit sites that they have created for inspiration and also where people could ask questions as to how the design was done.
I once suggested they should add a category to the forum called "showcase" where users could post sites built in BSS, or announce components they've created. The Forum seems to be very low on the dev's priority list.
For what it's worth, here's my latest site build in BSS
www.formulaautowash.com
@Printninja
The particles.js effect is pretty cool !