Check the ASF vault, there is a guide for uploading custom rooms. It is a bit of an advanced technique though it has a complete guide, it and I think currently requires removing an existing choice. Cheers.

cjones Good news! Hundred of new mockups have been added to ArtHelper last week. Open an image and then click on the 3 dots icon to the left of the image. You'll see hundred of new wall mockups (and some merch), all ready to use right away.

Wall preview images are so important! I am 100% agree on this.

While we're still in Beta, can you swap out these 3 images every week so we have new imges appearing on our Social...