Stablecog is a service for generating images using popular neural networks. It provides 100 free generations for each new user. You can try image creation on the official website: stablecog.com
The variety is impressive, especially considering the possibility of free usage. Some models allow uploading an original photo for image-to-image processing. In addition, you can adjust size and other fine parameters. The generation itself takes just a few seconds.
If you've run out of inspiration or are simply curious about what other community members are creating, you can visit the gallery: stablecog.com/gallery. There, you can not only view creations but also copy the best prompts.