You can set the image rescaling quality between 0 (low) and 100 (high). Higher means better quality. The recommended level is 80{bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}-95{bbackup_94402fb9ba80f392e0976ece85f92b2b876bfcaed8d83250cc06083f7139c7d9}.