Here are two videos showing Israel's "roof knocking" - shooting a small projectile at the roof of a house as a final warning (after phone calls) for residents to flee, before the big bombs are dropped.
Here are videos showing the Ashdod petrol station at the moment it got struck by a rocket, and the aftermath of the huge fire that resulted:
Here is a video of ordinary people caught in a rocket attack:
Here is video of the IDF precisely blowing up a terrorist car:
This 2009 video showing how Hamas usues human shields, and brags about it, it very worthwhile viewing:
Here is a cartoon I tweeted a couple of days ago:
(h/t Israel Muse, Josh K)