Custom images are not currently allowed in Gimkit Creative. This is predominantly because of moderation concerns & storage costs. However, we may open custom images to people in the future.
In devices such as the Vending Machine and Popup, you’ll have the option to enter an Image URL. Custom images won’t work, but you can enter some special URLs for images of items & specifically approved Gimkit icons.
Follow one of the guides below to get a URL you can enter in: