When Russia targets Americans on social media, it has political goals: in 2016, to damage Hillary Clinton and help elect Donald J. Trump; since then, to press Russian views on issues like the conflicts in Syria and Ukraine; and in the future — who knows?

To wield influence, Russian online operators must first build an audience. Posing as Americans, they have to persuade Americans to pay attention and give them at least a modicum of trust.

Two reports prepared for the Senate Intelligence Committee and released on Monday shed some light on how Russia does it. The reports identify some of the most popular of the images and themes created by the Internet Research Agency, which is based in St. Petersburg, Russia, and owned by a businessman with close ties to President Vladimir V. Putin.

[Read more about the reports here.]

Here are a few of the Russians’ greatest hits.