Add URLs that redirect from a media asset to the image: * https://danbooru.donmai.us/media_assets/6961761/original -> https://cdn.donmai.us/original/2c/4f/2c4ff193b0fc7106e59b2f6696a68a02.jpg * https://danbooru.donmai.us/media_assets/6961761/sample -> https://cdn.donmai.us/sample/2c/4f/sample-2c4ff193b0fc7106e59b2f6696a68a02.jpg * https://danbooru.donmai.us/media_assets/6961761/720x720 -> https://cdn.donmai.us/180x180/2c/4f/2c4ff193b0fc7106e59b2f6696a68a02.webp * https://danbooru.donmai.us/media_assets/6961761/360x360 -> https://cdn.donmai.us/180x180/2c/4f/2c4ff193b0fc7106e59b2f6696a68a02.jpg * https://danbooru.donmai.us/media_assets/6961761/180x180 -> https://cdn.donmai.us/180x180/2c/4f/2c4ff193b0fc7106e59b2f6696a68a02.jpg This is useful if you have a media asset ID and want to get to the image without looking up the image URL in the API. This endpoint is rate-limited to 5 requests per second. It's not meant to be used for things like thumbnail galleries or bulk scraping images.