Yeah, just a title, image and source is enough. The important part here is to make sure you set beneficiaries correctly as mentioned in the post before submitting the post into the community.
Then depending on activity in the comments, curators will decide on how much to upvote the post so that the rewards of the post get distributed to the participants in the comments depending on the votes they have received and other factors.
Thanks for explaining. I will try to participate.