As always I suggest some kind of Cookbook examples. One way to do this would be a blog series on how you approached Nim for the tasks you need. I still think that something like this has the biggest impact. Especially if there is a comments section in the Blog or platform used to present code + examples.
So you may just start with a collection of problems they recognize and explain how it can be done in Nim. Building a little library of tool or just examples. I think that could be done in a way so that not only the first solution is being discussed, but also the background on how it works and what the options are. You could let people look over the code which have more experience with Nim and maybe get some insights otherwise missed.
