I know everyone here has experiments and such that they've made that don't necessarily warrant their own thread, so... now there's a thread!
Let's see some cool/interesting/weird effects you've made. Never finished them? Well, now's the time! Polish them up, make them look good, and post them here.
Screenshots too, please
It's a swarm of glowing... uh, things. Click and hold to collect the swarm, release to make it blow up