Probably a while longer - I'm a full time freelancer and work has spilled over into my free time too. There'll be an email about it when it's made, but I don't have an expected publish deadline.
Specific details about this are mentioned on the jam page. There's no guarantee of inclusion in the final image or when the image will be published. As to avoid potential disappointment, please don't anticipate the final image as the be-all and end-all of the jam. The real profit was the individual images produced.