Good practice; See a post that might fit a theme sutiable for somewhere else? Cross post it to a place that it suits.
You can go to the community and search for a place like "Facepalm" and crosspost it there.
I have been trying to raise interest for other communities Mildly Infuriating has hit 2.81K members which is staggering, I'm honestly so happy to see it but we still have a way to go. I have every desire to spread the people of the community around as it's a win for Lemmy and a spite to Reddit. It's in our interest for the fediverse to explode and grow with content.
It's why I'm also advocating for communities to partner with each other. You can place links to other communities that may have a similar theming that other people might like. It would be a great way to offer up more content, and give that much needed love to communities starting and growing! <3
I've just created a community, to that end, that I'm hoping to start fleshing out when I get home tonight - finding and linking to like-minded communities is a really good idea for that. Thank you for that idea!